400 Permutations Per Group
npm install heap-grid
import HeapGrid from 'heap-grid'; var gridEl = document.getElementById('grid'); var grid = new HeapGrid(gridEl, { size: 250 }); var elements = [] // GRID ELEMENTS; for (var i = 0; i < elements.length; i++) { var style = grid.place(); for (var s of style) { elements[i].style[s] = style[s]; } }