n: 40 m: 319 packed: 13 density: 0 nodes: 0 solveTime: 6850 buildTime: 60 solved: true
{0,30,37}
{1,17,28}
{2,19,34}
{3,13,26}
{4,5,6}
{7,24,39}
{8,22,32}
{9,23,29}
{10,31,35}
{11,27,36}
{12,15,25}
{16,21,33}
{18,20,38}