C3132121111331312113313331333133313331333132313331333133313232233133321111   >>    C313212111133131211331333133313331333133313231333133313331323223313332111   <<    C3132121111331312113313331333133313331333132313331333133313232233133321113   >>      C3132121111331312113313331333133313331333132313331333133313232233133321112   >>