C22212323232133313113313331333132313331323133313331213132323131221123122311   >>    C2221232323213331311331333133313231333132313331333121313232313122112312231   <<    C22212323232133313113313331333132313331323133313331213132323131221123122313   >>      C22212323232133313113313331333132313331323133313331213132323131221123122312   >>