c estnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuulllllllllllllllllllllllllllllllllllllllllllllllll
c estnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuulllllllllllllllllllllllllllllllllllllllllllllllll
niqqqqqqquuuuuuuuuuuuuuuuuuuuuuuuuuuueeeeeeeeeeeeeeeeeeeeeeeeeeeee