x2yy0v
y2yy
z2yy0
02yy0v
12yy
mtzy
ntzy0
otzy0v
ptzy
qtzy0
bk0y0
ck0y0v
dk0y
ek0y0
fk0y0v
0a1y0v
1a1y
2a1y0
3a1y0v
4a1y
p11y
q11y0
r11y0v
s11y
t11y0