2
aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa
3
aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa
5
ccccccccccccccccccccccccccccccccccccccccccccccccc
6
ccccccccccccccccccccccccccccccccccccccccccccccccc
8
ggggggggggggggggggggggggggggggggggggggggggggggggg
9
ggggggggggggggggggggggggggggggggggggggggggggggggg
11
ttttttttttttttttttttttttttttttttttttttttttttttttt
12
ttttttttttttttttttttttttttttttttttttttttttttttttt