C22212323232133313113313331333132313331323133313331213132331321211121   >>    C2221232323213331311331333133313231333132313331333121313233132121112   <<    C22212323232133313113313331333132313331323133313331213132331321211123   >>      C22212323232133313113313331333132313331323133313331213132331321211122   >>