auap buapq cuapqs duap euapq

zkbpq 0kbpqs 1kbp 2kbpq 3kbpqs

obcpqs pbcp qbcpq rbcpqs sbcp

d2cp e2cpq f2cpqs g2cp h2cpq

2sdpq 3sdpqs 4sdp 5sdpq 6sdpqs