ttt t tttt ttttt ttttttttt tttttttttt ttttttttt tttttttt tttttttttt tttttttt ttttttttttt tttttttttt
ssss s s sss sss sss sass sss sss sss sss sss sss
xxxxxxxxxxxxx xxxxxx xxxxx xxxxxx xxxxxxx xxxxxxx xxxxxxx
mmm mmmmm mmm mmmmm mmmm mmmm
bbbb bbbbbbbb bbbbbbbb bbbbbb bbbbbbb nbbb
mmmmmm mmmmmmm mmmmmm mmmmmm mmmmm mmmmm mmmm mmm
nnnnn nnnn nnnn nnnnn nn nnnn