C3132121111331312113313331333133313331333132313331333133313133313232311   >>    C313212111133131211331333133313331333133313231333133313331313331323231   <<    C3132121111331312113313331333133313331333132313331333133313133313232313   >>      C3132121111331312113313331333133313331333132313331333133313133313232312   >>