6 6
0  0  0  c1 c2  c2
c3 0  0  c1 t1  t2
c3 0  g  g  t1  t2
c4 c4 c5 c5 t1  t2
c6 0  c7 c8 c9  c9
c6 0  c7 c8 c10 c10