C313212111113331323312111133133313331333133313331333133313331311131211   >>    C31321211111333132331211113313331333133313331333133313331333131113121   <<    C313212111113331323312111133133313331333133313331333133313331311131213   >>      C313212111113331323312111133133313331333133313331333133313331311131212   >>