2   1     1    1 23.5 17.375
 2   1     2    1 12 20.375
 2   1     3    1 21 20
 2   1     4    2 22 20
 2   1     5    2 19.125 18.375
 2   1     6    2 21.5 18.625
 2   1     7    3 22.125 18.625
 2   1     8    3 20.375 15.25 
 2   1     9    3 18.25 16.5
 2   1    10    3 21.625 18
 2   1    11    3 23.25 16.25
 2   1    12    4 21 18
 2   1    13    4 22.125 12.75
 2   1    14    4 23 15.5
 2   1    15    4 12 18