| Solution #1 No symmetries |
| Solution #2 No symmetries Independent cover |
| Solution #3 No symmetries |
| Solution #4 No symmetries Orthodox cover Expandable! Left: 0, Up: 1, Right: 0, Down: 0. Max area: 36 |
| Solution #5 No symmetries |
| Solution #6 No symmetries |
| Solution #7 Symmetries: Sym(H) |
| Solution #8 Symmetries: Sym(H) |
| Solution #9 Symmetries: Sym(H) |
| Solution #10 Symmetries: Sym(H) Strict centrally strong set Expandable! Left: 1, Up: 0, Right: 0, Down: 0. Max area: 35 |
| Solution #11 Symmetries: Sym(H) |