n: 40 m: 133 packed: 13 density: 0 nodes: 0 solveTime: 630 buildTime: 10 solved: true
{0,16,33}
{1,28,31}
{2,3,34}
{4,17,26}
{5,24,36}
{7,10,39}
{8,30,32}
{9,14,21}
{11,19,23}
{12,27,37}
{13,29,38}
{15,20,35}
{18,22,25}