https://en.wikipedia.org/wiki/Hex_(board_game)
Adjacent-numbered pages: BP1240 BP1241 BP1242 BP1243 BP1244  *  BP1246 BP1247 BP1248 BP1249 BP1250
hard, precise, convoluted, dual, rotate, boundingbox, hardsort, challenge, proofsrequired, bordercontent
Aaron David Fairbanks