item1 item2 item3  
0  0    1  S    0  0   
0  0    2  K    0  0   
0  0   23  T    1  M
12 T   24  N    2  L 
45 0   36  V   14  I 
46 0   38  W   16  R 
51 S   39  A   17  L
52 A   42  N   20  E
53 0   43  L   21  G