File-arr1-1.txt
arr1[0], arr1[1], arr1[2]

File-arr2-1.txt
arr2[0], arr2[1], arr2[2], arr2[3]

File-arr1-2.txt
arr1[3]

File-arr2-2.txt
arr2[4]

File-arr1-3.txt
arr1[4]

File-arr2-3.txt
---

File-arr1-4.txt
arr1[5]

File-arr2-4.txt
arr2[5]

File-arr1-5.txt
arr1[6]

File-arr2-5.txt
arr2[6]

File-arr1-6.txt
arr1[7]

File-arr2-6.txt
arr2[7], arr2[8], arr2[9]

File-arr1-7.txt
arr1[8]

File-arr2-8.txt
arr2[10]