🌐EnglishEnglishEspañolFrançaisРусский한국어中文EntityQ1130010· pop 9· linked from 33 articlesConway puzzlepacking problem about packing thirteen 1×2×4 blocks, one 2×2×2 block, one 1×2×2 block and three 1×1×3 blocks into a 5×5×5 boxConnectionspacking problemEntityparityEntityCategoriesJohn Horton ConwayMechanical puzzle cubesPacking problemsTiling puzzles