C313212111113331323312111133133313331333133313331333133313331331121211111   >>    C31321211111333132331211113313331333133313331333133313331333133112121111   <<    C313212111113331323312111133133313331333133313331333133313331331121211113   >>      C313212111113331323312111133133313331333133313331333133313331331121211112   >>