C313212111113331323312111133133313331333133313331333133313331333131213331323211   >>    C31321211111333132331211113313331333133313331333133313331333133313121333132321   <<    C313212111113331323312111133133313331333133313331333133313331333131213331323213   >>      C313212111113331323312111133133313331333133313331333133313331333131213331323212   >>