C313212111113331323312111133133313331333133313331333133313331322331323221211211   >>    C31321211111333132331211113313331333133313331333133313331333132233132322121121   <<    C313212111113331323312111133133313331333133313331333133313331322331323221211213   >>      C313212111113331323312111133133313331333133313331333133313331322331323221211212   >>