C313212111133131211331333133313331333133313331333133313331333131133112131211   >>    C31321211113313121133133313331333133313331333133313331333133313113311213121   <<    C313212111133131211331333133313331333133313331333133313331333131133112131213   >>      C313212111133131211331333133313331333133313331333133313331333131133112131212   >>