n: 40 m: 481 packed: 13 density: 0 nodes: 0 solveTime: 14070 buildTime: 130 solved: true
{0,18,37}
{1,2,14}
{3,5,25}
{4,6,29}
{7,15,26}
{8,10,19}
{9,13,24}
{11,32,34}
{12,30,35}
{16,20,38}
{17,23,31}
{21,28,33}
{22,36,39}