C222123232321333131133133313331323133313231333133312131323232231331223211   >>    C22212323232133313113313331333132313331323133313331213132323223133122321   <<    C222123232321333131133133313331323133313231333133312131323232231331223213   >>      C222123232321333131133133313331323133313231333133312131323232231331223212   >>