n: 40 m: 340 packed: 13 density: 0 nodes: 0 solveTime: 3380 buildTime: 70 solved: true
{0,7,37}
{1,16,19}
{2,13,32}
{3,9,30}
{4,8,15}
{5,12,24}
{6,14,17}
{10,23,28}
{11,34,39}
{20,29,33}
{21,22,26}
{25,27,38}
{31,35,36}