C3132121111133313233121111331333133313331333133313331323311331323231   >>    C313212111113331323312111133133313331333133313331333132331133132323   <<    C3132121111133313233121111331333133313331333133313331323311331323233   >>      C3132121111133313233121111331333133313331333133313331323311331323232   >>