n: 40 m: 352 packed: 13 density: 0 nodes: 0 solveTime: 5530 buildTime: 80 solved: true
{0,18,24}
{1,33,39}
{2,25,37}
{3,16,22}
{4,5,11}
{6,9,13}
{7,12,15}
{8,10,30}
{14,27,28}
{17,20,23}
{19,31,38}
{21,34,35}
{26,32,36}