Array To Veriable

I have a array v, and i want to get the SOS output.

1 3 1 3 1 = S
2 3 2 3 2 =O
space = 4

Can anyone help me?
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v =

  Columns 1 through 6

     0 0 1 3 1 3

  Columns 7 through 12

     1 4 2 3 2 3

  Columns 13 through 18

     2 4 1 3 1 3

  Columns 19 through 24

     1 0 1 3 1 3

  Columns 25 through 30

     1 3 3 4 1 3

  Columns 31 through 36

     1 3 1 0 1 3

  Columns 37 through 42

     1 3 1 4 4 3
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