n: 50 m: 239 packed: 16 density: 0 nodes: 0 solveTime: 2760 buildTime: 30 solved: true {0,15,39} {1,7,34} {2,6,30} {3,9,12} {4,44,49} {5,32,43} {8,27,35} {10,26,31} {13,29,48} {14,33,37} {16,40,42} {17,19,23} {18,25,38} {20,28,45} {21,24,36} {22,46,47}