n: 40 m: 334 packed: 13 density: 0 nodes: 0 solveTime: 3290 buildTime: 70 solved: true
{0,19,35}
{1,3,4}
{2,7,9}
{5,8,34}
{10,17,23}
{11,20,37}
{12,26,36}
{13,25,28}
{14,24,30}
{15,22,32}
{16,29,33}
{18,27,38}
{21,31,39}