n: 40 m: 571 packed: 13 density: 0 nodes: 0 solveTime: 60950 buildTime: 190 solved: true
{0,19,34}
{1,11,12}
{2,5,28}
{3,4,7}
{8,23,24}
{9,30,37}
{10,18,36}
{13,17,29}
{14,20,39}
{15,33,35}
{16,25,31}
{21,22,38}
{26,27,32}