n: 40 m: 288 packed: 13 density: 0 nodes: 0 solveTime: 2430 buildTime: 50 solved: true
{0,3,15}
{1,10,14}
{2,18,31}
{4,27,28}
{5,25,38}
{6,8,37}
{7,11,22}
{9,33,36}
{12,26,29}
{13,17,34}
{19,23,35}
{20,30,32}
{21,24,39}