C3123121111331312121111331333133313331333121333133313331211331323223231   >>    C312312111133131212111133133313331333133312133313331333121133132322323   <<    C3123121111331312121111331333133313331333121333133313331211331323223233   >>      C3123121111331312121111331333133313331333121333133313331211331323223232   >>