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cs.CC2020
1 x 1 Rush Hour with Fixed Blocks is PSPACE-complete
Josh Brunner, Lily Chung, Erik D. Demaine +4
Consider unit-square blocks in an square board, where each block is labeled as movable horizontally (only), movable vertically (only), or immovable -- a variat…
cs.CC2020
Edge Matching with Inequalities, Triangles, Unknown Shape, and Two Players
Jeffrey Bosboom, Charlotte Chen, Lily Chung +12
We analyze the computational complexity of several new variants of edge-matching puzzles. First we analyze inequality (instead of equality) constraints between adjacent tiles, prov…