C222123232321333131133133313331323133313231333133312131323312322132332211   >>    C22212323232133313113313331333132313331323133313331213132331232213233221   <<    C222123232321333131133133313331323133313231333133312131323312322132332213   >>      C222123232321333131133133313331323133313231333133312131323312322132332212   >>