n: 40 m: 408 packed: 13 density: 0 nodes: 0 solveTime: 8210 buildTime: 100 solved: true
{0,15,36}
{1,18,29}
{2,25,34}
{3,38,39}
{4,5,6}
{7,17,26}
{8,12,21}
{9,24,30}
{10,11,19}
{13,28,37}
{14,27,31}
{20,33,35}
{22,23,32}