C313212111113331323312111133133313331333133313331333133313331333133313111321111   >>    C31321211111333132331211113313331333133313331333133313331333133313331311132111   <<    C313212111113331323312111133133313331333133313331333133313331333133313111321113   >>      C313212111113331323312111133133313331333133313331333133313331333133313111321112   >>