C1-1:
C1-2: C1-3: C1-4: C1-5: C1-6: C2-1: C3-1: C3-2: C3-6: C4-4: more 1 3 4 back
C1-2:
C1-3: C1-4: C1-5: C1-6: C2-1: C3-1: C3-2: C3-6: C4-4: more 1 3 4 back
C1-3:
C1-4: C1-5: C1-6: C2-1: C3-1: C3-2: C3-6: C4-4: more 1 3 4 back
C1-4:
C1-5: C1-6: C2-1: C3-1: C3-2: C3-6: C4-4: more 1 3 4 back
C1-5:
C1-6: C2-1: C3-1: C3-2: C3-6: C4-4: more 1 3 4 back
C1-6:
C2-1: C3-1: C3-2: C3-6: C4-4: more 1 3 4 back
C2-1:
C3-1: C3-2: C3-6: C4-4: more 1 3 4 back
C3-1:
C3-2: C3-6: C4-4: more 1 3 4 back
C3-2:
C3-6: C4-4: more 1 3 4 back
C3-6:
C4-4: more 1 3 4 back
C4-4:
more 1 3 4 back
more 1 3 4