C313212111113331323312111133133313331333133313331333133313331322331323221231211   >>    C31321211111333132331211113313331333133313331333133313331333132233132322123121   <<    C313212111113331323312111133133313331333133313331333133313331322331323221231213   >>      C313212111113331323312111133133313331333133313331333133313331322331323221231212   >>