N=119;
NA=20;
NB=30;
loopA=[0,4,4,2,1,1,1,1,3,3,2,2,4,0,1,0,4,0,2,2];
loopB=[2,1,4,2,3,4,1,1,4,1,0,4,0,1,4,3,2,2,4,2,2,4,0,2,1,1,2,2,4,1];