C313212111113331323312111133133313331333133313331333133313331333133313221321231   >>    C31321211111333132331211113313331333133313331333133313331333133313331322132123   <<    C313212111113331323312111133133313331333133313331333133313331333133313221321233   >>      C313212111113331323312111133133313331333133313331333133313331333133313221321232   >>