C313212111133131211331333133313331333133313231333133313331333131133132332233231   >>    C31321211113313121133133313331333133313331323133313331333133313113313233223323   <<    C313212111133131211331333133313331333133313231333133313331333131133132332233233   >>      C313212111133131211331333133313331333133313231333133313331333131133132332233232   >>