C22212323232133313113313331333132313331323133313331213132333132121331   >>    C2221232323213331311331333133313231333132313331333121313233313212133   <<    C22212323232133313113313331333132313331323133313331213132333132121333   >>      C22212323232133313113313331333132313331323133313331213132333132121332   >>