n: 40 m: 553 packed: 13 density: 0 nodes: 0 solveTime: 19650 buildTime: 180 solved: true
{0,16,38}
{1,6,33}
{2,4,5}
{3,15,23}
{7,19,39}
{8,21,25}
{9,20,35}
{10,28,30}
{11,26,37}
{12,14,32}
{13,24,36}
{17,22,27}
{18,29,34}