Complexity
2 element clusters (12 matching sets) - SHR, THR, FR, FL, SL 3 element clusters (12 matching sets) - SKR, STR, SPR, SPL, SKW
Matching Bingo Cards
2 element clusters (12 matching sets) - SHR, THR, FR, FL, SL 3 element clusters (12 matching sets) - SKR, STR, SPR, SPL, SKW
Matching Bingo Cards