C22212323232133313113313331333133313231323132222123123321333131   >>    C2221232323213331311331333133313331323132313222212312332133313   <<    C22212323232133313113313331333133313231323132222123123321333133   >>      C22212323232133313113313331333133313231323132222123123321333132   >>