C222123232321333131133133313331323133313231333133312131323231313332211   >>    C22212323232133313113313331333132313331323133313331213132323131333221   <<    C222123232321333131133133313331323133313231333133312131323231313332213   >>      C222123232321333131133133313331323133313231333133312131323231313332212   >>