n: 40 m: 633 packed: 13 density: 0 nodes: 0 solveTime: 38500 buildTime: 240 solved: true
{0,2,3}
{1,4,13}
{5,7,10}
{6,18,25}
{8,17,20}
{9,16,29}
{11,14,31}
{12,15,34}
{19,30,37}
{21,22,28}
{24,27,35}
{26,33,38}
{32,36,39}