IMPOSSIBLE_STRING = '1.......2.9.4...5...6...7...5.9.3.......7.......85..4.7.....6...3...9.8...2.....1'
HARD_STRING = '6.5..2..8...1...7..9.5..6....2736.8....485....3.9217....4..3.9..5...4...3..8..1.2'
EASY_STRING = '79....3.......69..8...3..76.....5..2..54187..4..7.....61..9...8..23.......9....54'
logger = logging.getLogger('sudoku')
logging.basicConfig(level=logging.INFO)
board = Board()
board.boardFromString(HARD_STRING)
logger.info('\n' + boardToString(board))
easySolver = EasySolver(board)
assigned = -1
while assigned != 0:
if easySolver.getAvailableMap().getUnassigned() == 0:
break
assigned = 0
assignedNakedSingles = 0
assignedHiddenSingles = 0
assignedNakedSingles += easySolver.assignNakedSingles()
logger.info('Found ' + str(assignedNakedSingles) + ' naked singles')
assignedHiddenSingles = easySolver.assignHiddenSingles()
logger.info('Found ' + str(assignedNakedSingles) + ' hidden singles')
assignedLockedCandidates1 = easySolver.assignLockedCandidates1()
logger.info('Found ' + str(assignedLockedCandidates1) + ' locked candidates')
assigned += assignedNakedSingles
assigned += assignedHiddenSingles
