C3132121111133313233121111331333133313331333133313331333133313123221311   >>    C313212111113331323312111133133313331333133313331333133313331312322131   <<    C3132121111133313233121111331333133313331333133313331333133313123221313   >>      C3132121111133313233121111331333133313331333133313331333133313123221312   >>