C313212111113331323312111133133313331333133313331333133313332211211   >>    C31321211111333132331211113313331333133313331333133313331333221121   <<    C313212111113331323312111133133313331333133313331333133313332211213   >>      C313212111113331323312111133133313331333133313331333133313332211212   >>