C22212323232133313113313331333132313331323133313331213132332123132311   >>    C2221232323213331311331333133313231333132313331333121313233212313231   <<    C22212323232133313113313331333132313331323133313331213132332123132313   >>      C22212323232133313113313331333132313331323133313331213132332123132312   >>