n: 40 m: 484 packed: 13 density: 0 nodes: 0 solveTime: 22010 buildTime: 140 solved: true
{0,2,20}
{1,5,33}
{3,6,37}
{4,10,18}
{7,31,36}
{8,11,17}
{9,12,26}
{14,32,35}
{15,19,34}
{16,24,25}
{21,28,29}
{22,23,27}
{30,38,39}