Pattern: C.C
Options: permute 0 overlap 1
Anchor: 
Mol: CCCC
Matched: (a3 a4)
Matched: (a3 a5)
Matched: (a3 a6)
Matched: (a4 a5)
Matched: (a4 a6)
Matched: (a5 a6)
Matched: ()