n: 40 m: 187 packed: 13 density: 0 nodes: 0 solveTime: 1510 buildTime: 20 solved: true
{0,15,27}
{1,13,25}
{2,10,28}
{3,7,12}
{4,32,37}
{5,21,26}
{6,18,29}
{8,16,24}
{9,11,34}
{14,17,39}
{19,35,36}
{22,30,38}
{23,31,33}