C222123232321333131133133313331323132313331323221233233111112221   >>    C22212323232133313113313331333132313231333132322123323311111222   <<    C222123232321333131133133313331323132313331323221233233111112223   >>      C222123232321333131133133313331323132313331323221233233111112222   >>