jc4t kc4t1 lc4t1n mc4t nc4t1

824t1 924t1n a34t b34t1 c34t1n

xt5t1n yt5t zt5t1 0t5t1n 1t5t

mk6t nk6t1 ok6t1n pk6t qk6t1

bb7t1 cb7t1n db7t eb7t1 fb7t1n