n: 40 m: 89 packed: 13 density: 0 nodes: 0 solveTime: 260 buildTime: 0 solved: true
{0,6,7}
{1,9,34}
{2,27,31}
{3,25,36}
{4,11,38}
{5,12,24}
{8,13,23}
{10,19,20}
{14,30,39}
{15,16,33}
{17,29,32}
{18,28,37}
{21,22,35}