n: 40 m: 250 packed: 13 density: 0 nodes: 0 solveTime: 1570 buildTime: 40 solved: true
{0,18,39}
{1,22,36}
{2,3,14}
{4,17,20}
{5,26,32}
{6,12,21}
{7,9,15}
{8,24,31}
{10,25,37}
{11,16,29}
{13,19,27}
{23,28,34}
{30,35,38}