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