y1qi x1qidx w1qid v1qi u1qidx

9aqidx 8aqid 7aqi 6aqidx 5aqid

kkpid jkpi ikpidx hkpid gkpi

vtoi utoidx ttoid stoi rtoidx

62nidx 52nid 42ni 32nidx 22nid