n: 40 m: 629 packed: 13 density: 0 nodes: 0 solveTime: 18200 buildTime: 230 solved: true
{0,1,24}
{2,4,7}
{3,5,9}
{6,13,29}
{8,21,35}
{10,12,26}
{11,17,34}
{14,16,19}
{15,33,36}
{18,25,39}
{20,31,38}
{22,27,32}
{23,28,37}