C22212323232133313113313331333132313331323133313331213132331313223111   >>    C2221232323213331311331333133313231333132313331333121313233131322311   <<    C22212323232133313113313331333132313331323133313331213132331313223113   >>      C22212323232133313113313331333132313331323133313331213132331313223112   >>