n: 40 m: 240 packed: 13 density: 0 nodes: 0 solveTime: 1390 buildTime: 40 solved: true
{0,4,33}
{1,25,31}
{2,9,10}
{3,26,34}
{5,14,37}
{6,22,38}
{7,23,29}
{8,18,32}
{11,20,39}
{12,16,27}
{13,17,28}
{19,21,24}
{30,35,36}