free 0
Board 20 3
00000000000000000000
00000000000000000000
00000000000000000000

F 3 3
011
110
010

I 1 5
1
1
1
1
1

L 2 4
10
10
10
11

N 2 4
01
01
11
10

P 2 3
11
11
10

T 3 3
111
010
010

U 3 2
101
111

V 3 3
100
100
111

W 3 3
100
110
011

X 3 3
010
111
010

Y 2 4
01
11
01
01

Z 3 3
110
010
011