n: 50 m: 254 packed: 16 density: 0 nodes: 0 solveTime: 1690 buildTime: 40 solved: true {0,4,29} {1,19,36} {2,3,23} {6,7,49} {8,41,48} {9,15,45} {10,16,39} {11,13,22} {12,20,40} {14,25,26} {17,24,32} {18,43,46} {21,33,47} {28,30,31} {34,35,38} {37,42,44}