0(0,10):  0  [i2,ic]  0  0   (1,2)  (*,*)  0  e
1(1, 8):  1  [r2,C+]  2  3   (0,*)  (*,*)  1  1
2(1, 9):  1  [r2,C+]  1  4   (0,*)  (*,*)  1  1
3(2, 4):  2  [ic,C-]  3  1   (*,*)  (*,*)  1  2,1,2
4(2, 5):  2  [ic,C-]  4  2   (*,*)  (*,*)  1  2,1,2