n: 40 m: 535 packed: 13 density: 0 nodes: 0 solveTime: 9590 buildTime: 170 solved: true
{0,18,32}
{1,9,29}
{2,4,8}
{3,7,26}
{5,16,23}
{10,17,34}
{11,20,22}
{12,33,37}
{13,14,30}
{15,21,25}
{19,28,39}
{24,35,38}
{27,31,36}