n: 40 m: 650 packed: 13 density: 0 nodes: 0 solveTime: 111650 buildTime: 240 solved: true
{0,4,12}
{1,16,35}
{2,3,25}
{5,28,32}
{6,10,20}
{7,14,39}
{8,15,21}
{11,13,37}
{17,33,36}
{18,22,38}
{19,23,30}
{24,31,34}
{26,27,29}