C313212111133131211331333133313331333132212113313331322113122331   >>    C31321211113313121133133313331333133313221211331333132211312233   <<    C313212111133131211331333133313331333132212113313331322113122333   >>      C313212111133131211331333133313331333132212113313331322113122332   >>