yk4t zk4t2 0k4t2j 1k4t 2k4t2

nb5t2 ob5t2j pb5t qb5t2 rb5t2j

c25t2j d25t e25t2 f25t2j g25t

1s6t 2s6t2 3s6t2j 4s6t 5s6t2

qj7t2 rj7t2j sj7t tj7t2 uj7t2j