vvvvvvvvgggggggggggggggggggggggggg
vvvvvvvvvvvgvvggggggggggggggggggggggggggg
0
0
0
1
vvvvvvvvvvvvvvv
v
v
2
ffffggggggggggggggggggggggggggggggggggg
fffggggggggggggggggggggggg
ffgggggggggggggggggg
ffffgggggggggggggggggg
ffgggggggggggggggg
3
gggggggg
ggggggggggg
gggggggggggggggggggggg
4
gggggggggggggggg
ggggggggggggg
ggggggggggggggg
5
gggggggggggggggggggggggggg
gggggggggggg
ggggggggggggggggg
gggggggggggggg
