n: 40 m: 408 packed: 13 density: 0 nodes: 0 solveTime: 7390 buildTime: 100 solved: true
{0,5,16}
{1,19,37}
{2,4,14}
{3,12,24}
{6,36,39}
{7,25,29}
{8,11,31}
{9,27,35}
{10,23,32}
{13,15,17}
{18,28,38}
{20,21,26}
{30,33,34}