boat1 7 4
boat2 6 4
boat3 6 4
boat4 4 3
boat5 10 4
boat6 6 3
boat7 8 4
boat8 1 1
boat9 3 1
boat10 4 2
boat11 7 4
boat12 2 1
boat13 6 3
boat14 4 3
boat15 2 2
boat16 3 3
boat17 5 1
boat18 6 3
boat19 7 3
boat20 4 4
boat21 2 2