C313212111113331323312111133133313331333133313331333133312111133132323231   >>    C31321211111333132331211113313331333133313331333133313331211113313232323   <<    C313212111113331323312111133133313331333133313331333133312111133132323233   >>      C313212111113331323312111133133313331333133313331333133312111133132323232   >>