C313212111113331323312111133133313331333133313331333133313331323311211211   >>    C31321211111333132331211113313331333133313331333133313331333132331121121   <<    C313212111113331323312111133133313331333133313331333133313331323311211213   >>      C313212111113331323312111133133313331333133313331333133313331323311211212   >>