n: 40 m: 675 packed: 13 density: 0 nodes: 0 solveTime: 44330 buildTime: 270 solved: true
{0,3,5}
{1,14,20}
{2,22,35}
{4,28,32}
{6,18,33}
{7,15,23}
{8,21,39}
{9,24,36}
{10,26,29}
{11,12,13}
{17,19,38}
{25,31,34}
{27,30,37}