n: 40 m: 368 packed: 13 density: 0 nodes: 0 solveTime: 3980 buildTime: 80 solved: true
{0,17,30}
{1,28,36}
{2,6,18}
{3,31,33}
{4,7,13}
{5,14,16}
{8,11,20}
{9,12,15}
{10,19,29}
{21,26,39}
{22,32,38}
{23,24,25}
{34,35,37}