n: 50 m: 228 packed: 16 density: 0 nodes: 0 solveTime: 1170 buildTime: 30 solved: true {0,20,30} {1,17,42} {2,26,33} {3,25,37} {4,18,21} {5,35,44} {6,14,27} {7,19,36} {8,10,12} {9,22,46} {11,23,39} {13,24,47} {15,32,41} {16,28,48} {31,38,40} {34,43,45}