C222123232321333131133133313331323133313231333133312131323231313312231   >>    C22212323232133313113313331333132313331323133313331213132323131331223   <<    C222123232321333131133133313331323133313231333133312131323231313312233   >>      C222123232321333131133133313331323133313231333133312131323231313312232   >>