C313212111113331323312111133133313331333133313331333133313331333131232311311   >>    C31321211111333132331211113313331333133313331333133313331333133313123231131   <<    C313212111113331323312111133133313331333133313331333133313331333131232311313   >>      C313212111113331323312111133133313331333133313331333133313331333131232311312   >>