C313212111113331323312111133133313331333133313331333133313331311211112131   >>    C31321211111333132331211113313331333133313331333133313331333131121111213   <<    C313212111113331323312111133133313331333133313331333133313331311211112133   >>      C313212111113331323312111133133313331333133313331333133313331311211112132   >>