C222123232321333131133133313331323133313231333133312131323312211231111   >>    C22212323232133313113313331333132313331323133313331213132331221123111   <<    C222123232321333131133133313331323133313231333133312131323312211231113   >>      C222123232321333131133133313331323133313231333133312131323312211231112   >>