C22212323232133313113313331333132313331323132313331132213122133311211321   >>    C2221232323213331311331333133313231333132313231333113221312213331121132   <<    C22212323232133313113313331333132313331323132313331132213122133311211323   >>      C22212323232133313113313331333132313331323132313331132213122133311211322   >>