tcwwv
scww
rcwwvv
qcwwv
pcww
4lvw
3lvwvv
2lvwv
1lvw
0lvwvv
fvuwvv
evuwv
dvuw
cvuwvv
bvuwv
q4twv
p4tw
o4twvv
n4twv
m4tw
1dtw
0dtwvv
zdtwv
ydtw
xdtwvv