C313212111113331323312111133133313331333133313331333133313331323221211113322221   >>    C31321211111333132331211113313331333133313331333133313331333132322121111332222   <<    C313212111113331323312111133133313331333133313331333133313331323221211113322223   >>      C313212111113331323312111133133313331333133313331333133313331323221211113322222   >>