C3132121111133313233121111331333133313331333133313331333133313232232333131   >>    C313212111113331323312111133133313331333133313331333133313331323223233313   <<    C3132121111133313233121111331333133313331333133313331333133313232232333133   >>      C3132121111133313233121111331333133313331333133313331333133313232232333132   >>