C222123232321333131133133313331323133313231333133312131323231322131233231   >>    C22212323232133313113313331333132313331323133313331213132323132213123323   <<    C222123232321333131133133313331323133313231333133312131323231322131233233   >>      C222123232321333131133133313331323133313231333133312131323231322131233232   >>