Puzzle laboratory
Yin Yang puzzle viewer
Edit square and rectangular boards through 15 by 15. Stored catalogs and compressed decision graphs provide complete virtual scrolling. Boards beyond the exact graph boundary use live constrained search.
91 board sizes through 15 × 15Complete solution catalog
34
Scroll over the boards, use the keyboard, drag the position control, or jump to an exact solution number. Only the visible window is kept in the page.
Selected solution
Every symmetry operation
Select any solution above to see its complete symmetry family.
Rectangle solution map
Every state space through 2¹⁰⁰
This includes odd by odd, even by even, and mixed rectangles. Each value is an exact count. A rectangle and its transpose have the same count, so each pair appears once. Key solutions combine every valid geometric symmetry with exchanging black and white.