C222123232321333131133133313331333132313231333133322331223211211321   >>    C22212323232133313113313331333133313231323133313332233122321121132   <<    C222123232321333131133133313331333132313231333133322331223211211323   >>      C222123232321333131133133313331333132313231333133322331223211211322   >>