diff --git a/src/utils/lazy.test.js b/src/utils/lazy.test.js
index 96bea24..02e9add 100644
--- a/src/utils/lazy.test.js
+++ b/src/utils/lazy.test.js
@@ -73,74 +73,67 @@ describe('getIndexesOfPagesWithoutClonesInScroll', () => {
 
 describe('getAdjacentIndexes', () => {
   it('returns indexes as expected if it is infinite', () => {
-    const testCases = [
-      {
-        pageIndex: 0,
-        pagesCount: 2,
-        particlesCount: 4,
-        particlesToShow: 2,
-        particlesToScroll: 2,
-        expected: {
-          pageIndexes: [0, 1],
-          particleIndexes: [0, 1, 2, 3],
-        },
+    const testCases = [{
+      pageIndex: 0,
+      pagesCount: 2,
+      particlesCount: 4,
+      particlesToShow: 2,
+      particlesToScroll: 2,
+      expected: {
+        pageIndexes: [0, 1],
+        particleIndexes: [0, 1, 2, 3],
       },
-      {
-        pageIndex: -5,
-        pagesCount: 5,
-        particlesCount: 10,
-        particlesToShow: 2,
-        particlesToScroll: 2,
-        expected: {
-          pageIndexes: [0, 1, 4],
-          particleIndexes: [0, 1, 2, 3, 8, 9],
-        },
+    }, {
+      pageIndex: -5,
+      pagesCount: 5,
+      particlesCount: 10,
+      particlesToShow: 2,
+      particlesToScroll: 2,
+      expected: {
+        pageIndexes: [0, 1, 4],
+        particleIndexes: [0, 1, 2, 3, 8, 9],
       },
-      {
-        pageIndex: 0,
-        pagesCount: 5,
-        particlesCount: 10,
-        particlesToShow: 2,
-        particlesToScroll: 2,
-        expected: {
-          pageIndexes:  [0, 1, 4],
-          particleIndexes: [0, 1, 2, 3, 8, 9],
-        },
+    }, {
+      pageIndex: 0,
+      pagesCount: 5,
+      particlesCount: 10,
+      particlesToShow: 2,
+      particlesToScroll: 2,
+      expected: {
+        pageIndexes:  [0, 1, 4],
+        particleIndexes: [0, 1, 2, 3, 8, 9],
       },
-      {
-        pageIndex: 2,
-        pagesCount: 5,
-        particlesCount: 10,
-        particlesToShow: 2,
-        particlesToScroll: 2,
-        expected: {
-          pageIndexes: [0, 1, 2, 3, 4],
-          particleIndexes: [0, 1, 2, 3, 4, 5, 6, 7, 8, 9],
-        },
+    }, {
+      pageIndex: 2,
+      pagesCount: 5,
+      particlesCount: 10,
+      particlesToShow: 2,
+      particlesToScroll: 2,
+      expected: {
+        pageIndexes: [0, 1, 2, 3, 4],
+        particleIndexes: [0, 1, 2, 3, 4, 5, 6, 7, 8, 9],
       },
-      {
-        pageIndex: 4,
-        pagesCount: 5,
-        particlesCount: 10,
-        particlesToShow: 2,
-        particlesToScroll: 2,
-        expected: {
-          pageIndexes: [0, 3, 4],
-          particleIndexes: [0, 1, 6, 7, 8, 9],
-        },
+    }, {
+      pageIndex: 4,
+      pagesCount: 5,
+      particlesCount: 10,
+      particlesToShow: 2,
+      particlesToScroll: 2,
+      expected: {
+        pageIndexes: [0, 3, 4],
+        particleIndexes: [0, 1, 6, 7, 8, 9],
       },
-      {
-        pageIndex: 15,
-        pagesCount: 5,
-        particlesCount: 10,
-        particlesToShow: 2,
-        particlesToScroll: 2,
-        expected: {
-          pageIndexes: [0, 3, 4],
-          particleIndexes: [0, 1, 6, 7, 8, 9],
-        },
+    }, {
+      pageIndex: 15,
+      pagesCount: 5,
+      particlesCount: 10,
+      particlesToShow: 2,
+      particlesToScroll: 2,
+      expected: {
+        pageIndexes: [0, 3, 4],
+        particleIndexes: [0, 1, 6, 7, 8, 9],
       },
-    ]
+    }]
     testCases.forEach(({
       pageIndex,
       pagesCount,
@@ -161,74 +154,67 @@ describe('getAdjacentIndexes', () => {
   })
 
   it('returns indexes as expected if it is not infinite', () => {
-    const testCases = [
-      {
-        pageIndex: 0,
-        pagesCount: 2,
-        particlesCount: 4,
-        particlesToShow: 2,
-        particlesToScroll: 2,
-        expected: {
-          pageIndexes: [0, 1],
-          particleIndexes: [0, 1, 2, 3],
-        },
+    const testCases = [{
+      pageIndex: 0,
+      pagesCount: 2,
+      particlesCount: 4,
+      particlesToShow: 2,
+      particlesToScroll: 2,
+      expected: {
+        pageIndexes: [0, 1],
+        particleIndexes: [0, 1, 2, 3],
       },
-      {
-        pageIndex: -5,
-        pagesCount: 5,
-        particlesCount: 10,
-        particlesToShow: 2,
-        particlesToScroll: 2,
-        expected: {
-          pageIndexes: [0, 1, 4],
-          particleIndexes: [0, 1, 2, 3, 8, 9],
-        },
+    }, {
+      pageIndex: -5,
+      pagesCount: 5,
+      particlesCount: 10,
+      particlesToShow: 2,
+      particlesToScroll: 2,
+      expected: {
+        pageIndexes: [0, 1, 4],
+        particleIndexes: [0, 1, 2, 3, 8, 9],
       },
-      {
-        pageIndex: 0,
-        pagesCount: 5,
-        particlesCount: 10,
-        particlesToShow: 2,
-        particlesToScroll: 2,
-        expected: {
-          pageIndexes:  [0, 1, 4],
-          particleIndexes: [0, 1, 2, 3, 8, 9],
-        },
+    }, {
+      pageIndex: 0,
+      pagesCount: 5,
+      particlesCount: 10,
+      particlesToShow: 2,
+      particlesToScroll: 2,
+      expected: {
+        pageIndexes:  [0, 1, 4],
+        particleIndexes: [0, 1, 2, 3, 8, 9],
       },
-      {
-        pageIndex: 2,
-        pagesCount: 5,
-        particlesCount: 10,
-        particlesToShow: 2,
-        particlesToScroll: 2,
-        expected: {
-          pageIndexes: [0, 1, 2, 3, 4],
-          particleIndexes: [0, 1, 2, 3, 4, 5, 6, 7, 8, 9],
-        },
+    }, {
+      pageIndex: 2,
+      pagesCount: 5,
+      particlesCount: 10,
+      particlesToShow: 2,
+      particlesToScroll: 2,
+      expected: {
+        pageIndexes: [0, 1, 2, 3, 4],
+        particleIndexes: [0, 1, 2, 3, 4, 5, 6, 7, 8, 9],
       },
-      {
-        pageIndex: 4,
-        pagesCount: 5,
-        particlesCount: 10,
-        particlesToShow: 2,
-        particlesToScroll: 2,
-        expected: {
-          pageIndexes: [0, 3, 4],
-          particleIndexes: [0, 1, 6, 7, 8, 9],
-        },
+    }, {
+      pageIndex: 4,
+      pagesCount: 5,
+      particlesCount: 10,
+      particlesToShow: 2,
+      particlesToScroll: 2,
+      expected: {
+        pageIndexes: [0, 3, 4],
+        particleIndexes: [0, 1, 6, 7, 8, 9],
       },
-      {
-        pageIndex: 15,
-        pagesCount: 5,
-        particlesCount: 10,
-        particlesToShow: 2,
-        particlesToScroll: 2,
-        expected: {
-          pageIndexes: [0, 3, 4],
-          particleIndexes: [0, 1, 6, 7, 8, 9],
-        },
+    }, {
+      pageIndex: 15,
+      pagesCount: 5,
+      particlesCount: 10,
+      particlesToShow: 2,
+      particlesToScroll: 2,
+      expected: {
+        pageIndexes: [0, 3, 4],
+        particleIndexes: [0, 1, 6, 7, 8, 9],
       },
-    ]
+    }]
     testCases.forEach(({
       pageIndex,
       pagesCount,
diff --git a/src/utils/math.js b/src/utils/math.js
index ffc08cd..b33900d 100644
--- a/src/utils/math.js
+++ b/src/utils/math.js
@@ -7,4 +7,4 @@ export const getDistance = (p1, p2) => {
 
 export function getValueInRange(min, value, max) {
   return Math.max(min, Math.min(value, max))
-}
\ No newline at end of file
+}
diff --git a/src/utils/page.js b/src/utils/page.js
index d0e0a98..5bcc0da 100644
--- a/src/utils/page.js
+++ b/src/utils/page.js
@@ -2,7 +2,6 @@ import {
   getValueInRange,
 } from './math'
 
-
 // getCurrentPageIndexByCurrentParticleIndex
 
 export function _getCurrentPageIndexByCurrentParticleIndexInfinite({
diff --git a/src/utils/page.test.js b/src/utils/page.test.js
index 4bdf332..7a9cbb0 100644
--- a/src/utils/page.test.js
+++ b/src/utils/page.test.js
@@ -120,42 +120,42 @@ describe('getPartialPageSize', () => {
 })
 
 describe('_getCurrentPageIndexByCurrentParticleIndexInfinite', () => {
-  it('returns result as expected if particlesCount: 12; clonesCountHead: 2; clonesCountTotal: 5; particlesToScroll: 2 (particlesToShow: 3)', () => {
+  it('returns result as expected if particlesCount: 13; clonesCountHead: 2; clonesCountTotal: 5; particlesToScroll: 2 (particlesToShow: 3)', () => {
     const testCases = [{
-      particlesCount: 12,
+      particlesCount: 13,
       clonesCountHead: 2,
       clonesCountTotal: 5,
       particlesToScroll: 2,
       currentParticleIndex: 0,
       expected: 3,
     }, {
-      particlesCount: 12,
+      particlesCount: 13,
       clonesCountHead: 2,
       clonesCountTotal: 5,
       particlesToScroll: 2,
       currentParticleIndex: 2,
       expected: 0,
     }, {
-      particlesCount: 12,
+      particlesCount: 13,
       clonesCountHead: 2,
       clonesCountTotal: 5,
       particlesToScroll: 2,
       currentParticleIndex: 4,
       expected: 1,
     }, {
-      particlesCount: 12,
+      particlesCount: 13,
       clonesCountHead: 2,
       clonesCountTotal: 5,
       particlesToScroll: 2,
       currentParticleIndex: 8,
       expected: 3,
     }, {
-      particlesCount: 12,
+      particlesCount: 13,
       clonesCountHead: 2,
       clonesCountTotal: 5,
       particlesToScroll: 2,
       currentParticleIndex: 10,
-      expected: 0,
+      expected: 4,
     }]
 
     testCases.forEach(({
@@ -488,3 +488,261 @@ describe('_getPagesCountByParticlesCountLimited', () => {
     })
   })
 })
+
+describe('_getParticleIndexByPageIndexInfinite', () => {
+  it('returns result as expected if particlesCount: 11; clonesCountHead: 2; clonesCountTail: 3; particlesToScroll: 2 (particlesToShow: 3)', () => {
+    const testCases = [{
+      pageIndex: 0,
+      clonesCountHead: 1,
+      clonesCountTail: 3,
+      particlesToScroll: 2,
+      particlesCount: 11,
+      expected: 1,
+    }, {
+      pageIndex: 1,
+      clonesCountHead: 1,
+      clonesCountTail: 3,
+      particlesToScroll: 2,
+      particlesCount: 11,
+      expected: 3,
+    }, {
+      pageIndex: 2,
+      clonesCountHead: 1,
+      clonesCountTail: 3,
+      particlesToScroll: 2,
+      particlesCount: 11,
+      expected: 5,
+    }, {
+      pageIndex: 3,
+      clonesCountHead: 1,
+      clonesCountTail: 3,
+      particlesToScroll: 2,
+      particlesCount: 11,
+      expected: 7,
+    }]
+
+    testCases.forEach(({
+      pageIndex,
+      clonesCountHead,
+      clonesCountTail,
+      particlesToScroll,
+      particlesCount,
+      expected,
+    }) => {
+      expect(_getParticleIndexByPageIndexInfinite({
+        pageIndex,
+        clonesCountHead,
+        clonesCountTail,
+        particlesToScroll,
+        particlesCount,
+      })).toBe(expected)
+    })
+  })
+
+  it('returns result as expected if particlesCount: 10; clonesCountHead: 1; clonesCountTail: 2; particlesToScroll: 2 (particlesToShow: 2)', () => {
+    const testCases = [{
+      pageIndex: 0,
+      clonesCountHead: 1,
+      clonesCountTail: 2,
+      particlesToScroll: 2,
+      particlesCount: 10,
+      expected: 1,
+    }, {
+      pageIndex: 1,
+      clonesCountHead: 1,
+      clonesCountTail: 2,
+      particlesToScroll: 2,
+      particlesCount: 10,
+      expected: 3,
+    }, {
+      pageIndex: 2,
+      clonesCountHead: 1,
+      clonesCountTail: 2,
+      particlesToScroll: 2,
+      particlesCount: 10,
+      expected: 5,
+    }, {
+      pageIndex: 3,
+      clonesCountHead: 1,
+      clonesCountTail: 2,
+      particlesToScroll: 2,
+      particlesCount: 10,
+      expected: 7,
+    }]
+
+    testCases.forEach(({
+      pageIndex,
+      clonesCountHead,
+      clonesCountTail,
+      particlesToScroll,
+      particlesCount,
+      expected,
+    }) => {
+      expect(_getParticleIndexByPageIndexInfinite({
+        pageIndex,
+        clonesCountHead,
+        clonesCountTail,
+        particlesToScroll,
+        particlesCount,
+      })).toBe(expected)
+    })
+  })
+
+  it('returns result as expected if particlesCount: 10; clonesCountHead: 1; clonesCountTail: 2; particlesToScroll: 3 (particlesToShow: 2)', () => {
+    const testCases = [{
+      pageIndex: 0,
+      clonesCountHead: 1,
+      clonesCountTail: 2,
+      particlesToScroll: 3,
+      particlesCount: 10,
+      expected: 1,
+    }, {
+      pageIndex: 1,
+      clonesCountHead: 1,
+      clonesCountTail: 2,
+      particlesToScroll: 3,
+      particlesCount: 10,
+      expected: 4,
+    }, {
+      pageIndex: 2,
+      clonesCountHead: 1,
+      clonesCountTail: 2,
+      particlesToScroll: 3,
+      particlesCount: 10,
+      expected: 7,
+    }]
+
+    testCases.forEach(({
+      pageIndex,
+      clonesCountHead,
+      clonesCountTail,
+      particlesToScroll,
+      particlesCount,
+      expected,
+    }) => {
+      expect(_getParticleIndexByPageIndexInfinite({
+        pageIndex,
+        clonesCountHead,
+        clonesCountTail,
+        particlesToScroll,
+        particlesCount,
+      })).toBe(expected)
+    })
+  })
+})
+
+describe('_getParticleIndexByPageIndexLimited', () => {
+  it('returns result as expected if particlesCount: 6; particlesToScroll: 2; particlesToShow: 3', () => {
+    const testCases = [{
+      pageIndex: 0,
+      particlesToScroll: 2,
+      particlesCount: 6,
+      particlesToShow: 3,
+      expected: 0,
+    }, {
+      pageIndex: 1,
+      particlesToScroll: 2,
+      particlesCount: 6,
+      particlesToShow: 3,
+      expected: 2,
+    }, {
+      pageIndex: 2,
+      particlesToScroll: 2,
+      particlesCount: 6,
+      particlesToShow: 3,
+      expected: 3,
+    }]
+
+    testCases.forEach(({
+      pageIndex,
+      particlesToScroll,
+      particlesCount,
+      particlesToShow,
+      expected,
+    }) => {
+      expect(_getParticleIndexByPageIndexLimited({
+        pageIndex,
+        particlesToScroll,
+        particlesCount,
+        particlesToShow,
+        particlesCount,
+      })).toBe(expected)
+    })
+  })
+
+  it('returns result as expected if particlesCount: 6; particlesToScroll: 2; particlesToShow: 2', () => {
+    const testCases = [{
+      pageIndex: 0,
+      particlesToScroll: 2,
+      particlesCount: 6,
+      particlesToShow: 2,
+      expected: 0,
+    }, {
+      pageIndex: 1,
+      particlesToScroll: 2,
+      particlesCount: 6,
+      particlesToShow: 2,
+      expected: 2,
+    }, {
+      pageIndex: 2,
+      particlesToScroll: 2,
+      particlesCount: 6,
+      particlesToShow: 2,
+      expected: 4,
+    }]
+
+    testCases.forEach(({
+      pageIndex,
+      particlesToScroll,
+      particlesCount,
+      particlesToShow,
+      expected,
+    }) => {
+      expect(_getParticleIndexByPageIndexLimited({
+        pageIndex,
+        particlesToScroll,
+        particlesCount,
+        particlesToShow,
+        particlesCount,
+      })).toBe(expected)
+    })
+  })
+  
+  it('returns result as expected if particlesCount: 6; particlesToScroll: 3; particlesToShow: 2', () => {
+    const testCases = [{
+      pageIndex: 0,
+      particlesToScroll: 3,
+      particlesCount: 6,
+      particlesToShow: 2,
+      expected: 0,
+    }, {
+      pageIndex: 1,
+      particlesToScroll: 3,
+      particlesCount: 6,
+      particlesToShow: 2,
+      expected: 3,
+    }, {
+      pageIndex: 2,
+      particlesToScroll: 3,
+      particlesCount: 6,
+      particlesToShow: 2,
+      expected: 4,
+    }]
+
+    testCases.forEach(({
+      pageIndex,
+      particlesToScroll,
+      particlesCount,
+      particlesToShow,
+      expected,
+    }) => {
+      expect(_getParticleIndexByPageIndexLimited({
+        pageIndex,
+        particlesToScroll,
+        particlesCount,
+        particlesToShow,
+        particlesCount,
+      })).toBe(expected)
+    })
+  })
+})