a30m b30m5 c30m5q d30m e30m5

zt1m5 0t1m5q 1t1m 2t1m5 3t1m5q

ok2m5q pk2m qk2m5 rk2m5q sk2m

db3m eb3m5 fb3m5q gb3m hb3m5

213m5 313m5q 413m 513m5 613m5q