﻿1
4 4 50
22
3 5 5 4
4 0 9
4 0 8
4 1 9
4 1 8
0 0 7
0 1 7
0 2 7
0 2 8
0 8 8
0 0 0
0 1 0
0 2 0
0 3 0
0 4 0
0 5 0
0 6 0
0 7 0
0 8 0
0 9 0
0 1 1
0 8 1