C313212111113331323312111133133313331333133313331333133313331122223131   >>    C31321211111333132331211113313331333133313331333133313331333112222313   <<    C313212111113331323312111133133313331333133313331333133313331122223133   >>      C313212111113331323312111133133313331333133313331333133313331122223132   >>