t = gets.to_i good = "good" prob = "problem" glen = good.length plen = prob.length t.times do str = gets.strip n = str.length - plen - glen + 1 a = Array.new b = Array.new n.times do |i| ac = 0 bc = 0 glen.times do |j| ac += 1 if str[i + j] == good[j] end plen.times do |j| bc += 1 if str[i + j + glen] == prob[j] end a.push(ac) b.push(bc) end max = 0 a.length.times do |i| i.upto(b.length - 1) do |j| k = a[i] + b[j] if k > max max = k end end end puts plen + glen - max end