C222123232321333131133133313331323133313231333133312131323312112211   >>    C22212323232133313113313331333132313331323133313331213132331211221   <<    C222123232321333131133133313331323133313231333133312131323312112213   >>      C222123232321333131133133313331323133313231333133312131323312112212   >>