# 3' splice model : ndha 
# A C G T
1 43 1 56 
0 57 0 42 
41 1 2 56 
57 42 0 1 
splice
1 55 42 2 
0 1 57 42 
1 1 43 56 
2 11 56 31 
1 29 42 28 
41 1 57 1