Q......... ..Q....... .....Q.... .......Q.. .Q........ ...Q...... ........Q. ......Q... ....Q..... - Complete search - 1 solution found. Model[nqueens] Solutions: 1 Building time : 0.056s Resolution time : 0.028s Nodes: 9 (316.8 n/s) Backtracks: 6 Fails: 4 Restarts: 0