C313212111113331323312111133133313331333133313331333133313113313331323112131   >>    C31321211111333132331211113313331333133313331333133313331311331333132311213   <<    C313212111113331323312111133133313331333133313331333133313113313331323112133   >>      C313212111113331323312111133133313331333133313331333133313113313331323112132   >>