C313212111113331323312111133133313331333133313331333133313331333133311212123231   >>    C31321211111333132331211113313331333133313331333133313331333133313331121212323   <<    C313212111113331323312111133133313331333133313331333133313331333133311212123233   >>      C313212111113331323312111133133313331333133313331333133313331333133311212123232   >>