11 19
U 1 0
U 1 1
Z 1 2
U 2 2
Z 1 4
U 3 3
Z 2 5
U 4 4
Z 2 7
U 5 5
Z 2 8
U 1 0
Z 1 1
U 2 0
Z 1 2
U 3 0
Z 2 3
U 4 0
Z 2 4