C222123232321333131133133313331323133313231333133312131323231312212312111   >>    C22212323232133313113313331333132313331323133313331213132323131221231211   <<    C222123232321333131133133313331323133313231333133312131323231312212312113   >>      C222123232321333131133133313331323133313231333133312131323231312212312112   >>