# The need of clear borders of the elements:
## Without borders (wrong):
[1][23][2][3][456][45][4][56][5][6]
## With borders (correct):
[1][23][456]
## Alternative (correct):
[1][23][456]
# SIMPLE LOOPING through an array:
## NON-DESTRUCTIVE:
[1][2][3][abc][zz][79][444]
[1][2][3][abc][zz][79][444]
[1][2][3][abc][zz][79][444]
## DESTRUCTIVE:
[1X][2X][3X][abcX][zzX][79X][444X]
[1X][2X][3X][abcX][zzX][79X][444X]
[1X][2X][3X][abcX][zzX][79X][444X]
# LOOPING through an array by evaluating several (2-3) consecutive elements:
## NON-DESTRUCTIVE:
[1-2][2-3][3-abc][abc-zz][zz-79][79-444]
[1-2][2-3][3-abc][abc-zz][zz-79][79-444]
[1-2][2-3][3-abc][abc-zz][zz-79][79-444]
[1-2][3-abc][zz-79]
[1-2][3-abc][zz-79]
[1-2][3-abc][zz-79]
[1-2-3][2-3-abc][3-abc-zz][abc-zz-79][zz-79-444]
[1-2-3][2-3-abc][3-abc-zz][abc-zz-79][zz-79-444]
[1-2-3][2-3-abc][3-abc-zz][abc-zz-79][zz-79-444]
[1-2-3][3-abc-zz][zz-79-444]
[1-2-3][3-abc-zz][zz-79-444]
[1-2-3][3-abc-zz][zz-79-444]
[1-2-3][abc-zz-79]
[1-2-3][abc-zz-79]
[1-2-3][abc-zz-79]
## DESTRUCTIVE:
[1Y-2-3][2Y-3-abc][3Y-abc-zz][abcX-zz-79][zzX-79-444]
[1Y-2-3][2Y-3-abc][3Y-abc-zz][abcX-zz-79][zzX-79-444]
[1Y-2-3][2Y-3-abc][3Y-abc-zz][abcX-zz-79][zzX-79-444]
# 'TRIANGLE' LOOPING through an array (loop in loop):
     [1-2]     [1-3]   [1-abc]    [1-zz]    [1-79]   [1-444]
     [2-3]   [2-abc]    [2-zz]    [2-79]   [2-444]
   [3-abc]    [3-zz]    [3-79]   [3-444]
  [abc-zz]  [abc-79] [abc-444]
   [zz-79]  [zz-444]
  [79-444]
     [1-2]     [1-3]   [1-abc]    [1-zz]    [1-79]   [1-444]
     [2-3]   [2-abc]    [2-zz]    [2-79]   [2-444]
   [3-abc]    [3-zz]    [3-79]   [3-444]
  [abc-zz]  [abc-79] [abc-444]
   [zz-79]  [zz-444]
  [79-444]
# 'RECTANGLE' LOOPING through two arrays (loop in loop):
     [1-3]   [1-abc]    [1-zz]
     [2-3]   [2-abc]    [2-zz]
     [3-3]   [3-abc]    [3-zz]
   [abc-3] [abc-abc]  [abc-zz]
    [zz-3]  [zz-abc]   [zz-zz]
    [79-3]  [79-abc]   [79-zz]
   [444-3] [444-abc]  [444-zz]
     [1-3]   [1-abc]    [1-zz]
     [2-3]   [2-abc]    [2-zz]
     [3-3]   [3-abc]    [3-zz]
   [abc-3] [abc-abc]  [abc-zz]
    [zz-3]  [zz-abc]   [zz-zz]
    [79-3]  [79-abc]   [79-zz]
   [444-3] [444-abc]  [444-zz]