C22212323232133313113313331333132313231333131211211323323222132211   >>    C2221232323213331311331333133313231323133313121121132332322213221   <<    C22212323232133313113313331333132313231333131211211323323222132213   >>      C22212323232133313113313331333132313231333131211211323323222132212   >>