C313212111113331323312111133133313331333133313331333133313331323232232311   >>    C31321211111333132331211113313331333133313331333133313331333132323223231   <<    C313212111113331323312111133133313331333133313331333133313331323232232313   >>      C313212111113331323312111133133313331333133313331333133313331323232232312   >>