n: 40 m: 163 packed: 13 density: 0 nodes: 0 solveTime: 190 buildTime: 20 solved: true
{0,4,21}
{1,12,29}
{2,30,36}
{3,28,37}
{5,15,34}
{7,31,33}
{8,16,38}
{9,14,17}
{10,11,32}
{13,20,23}
{18,24,26}
{19,25,27}
{22,35,39}