LH: basisrij en bovenrij gevorderd

g ____________________ q ____________________
r ____________________ s ____________________
f ____________________ t ____________________
a ____________________ z ____________________
e ____________________ r ____________________
d ____________________ s ____________________
z ____________________ e ____________________
a ____________________ q ____________________
g ____________________ f ____________________
d ____________________ t t