C313212111113331323312111133133313331333133313331333133313331333133313111223131   >>    C31321211111333132331211113313331333133313331333133313331333133313331311122313   <<    C313212111113331323312111133133313331333133313331333133313331333133313111223133   >>      C313212111113331323312111133133313331333133313331333133313331333133313111223132   >>