n: 40 m: 458 packed: 13 density: 0 nodes: 0 solveTime: 22230 buildTime: 120 solved: true
{0,36,39}
{1,22,34}
{2,7,18}
{4,29,33}
{5,12,19}
{6,16,26}
{8,11,28}
{9,10,20}
{13,24,27}
{14,21,31}
{15,17,23}
{25,32,37}
{30,35,38}