tkrg2 skrg rkrg21 qkrg2 pkrg

4tqg 3tqg21 2tqg2 1tqg 0tqg21

f3pg21 e3pg2 d3pg c3pg21 b3pg2

qcpg2 pcpg ocpg21 ncpg2 mcpg

1log 0log21 zlog2 ylog xlog21