cards.txt

Card: 1
  Problem: 0
  Pieces: 4, 6, 9
  Problem: 1
  Pieces: 10, 6, 11
  Problem: 2
  Pieces: 11, 3, 5
  Problem: 3
  Pieces: 2, 8, 6
  Problem: 4
  Pieces: 7, 10, 6
  Problem: 5
  Pieces: 10, 12, 4
Board:
00001
10001
10000
11001

Card: 2
Problem: 0
Pieces: 7, 5, 8

Problem: 1
Pieces: 11, 12, 3

Problem: 2
Pieces: 3, 9 ,6

Problem: 3
Pieces: 8, 10, 11

Problem: 4
Pieces: 11, 7, 6

Problem: 5
Pieces: 3, 11, 7

Board:
001
000
000
000
110
110

Card: 3
Board:
1000
0000
0000
1000
1001
1001

Card: 4
Board:
10011
00011
00001
10000

Card: 5
Board:
1100
1100
0000
0000
0000
1011

Card: 6
Board:
1100
1100
0000
0000
1000

Card: 7
Board:
1001
1000
1000
0000
0011
0011

Card: 8
Board:
0000
0000
1000
1000

Card: 9
Board:
00111
00000
00000
00000