qtqmn rtqmnu stqm ttqmn utqmnu
fkrmnu gkrm hkrmn ikrmnu jkrm
4asm 5asmn 6asmnu 7asm 8asmn
t1smn u1smnu v1sm w1smn x1smnu
istmnu jstm kstmn lstmnu mstm