0(0,6):  0  1    (*,*)  (2,*)    [ic,i1]  0  
1(1,6):  1  0    (*,*)  (2,*)    [ic,i1]  0  
2(2,5):  3  2    (*,*)  (*,*)    [C+,r1]  1  2
3(3,2):  2  3    (*,*)  (*,*)    [C-,ic]  2  121