grid.js: change OrderedCell to use unordered lines for faster OrderedCell.has
grid.js: change OrderedCell to use unordered lines for faster OrderedCell.has

conundrumer/sim-seq,conundrumer/sim-seq,VishalRohra/chroma-tone,VishalRohra/chroma-tone,conundrumer/chroma-tone,conundrumer/chroma-tone