n: 40 m: 435 packed: 13 density: 0 nodes: 0 solveTime: 8440 buildTime: 110 solved: true
{0,29,31}
{1,19,38}
{2,11,26}
{3,9,23}
{5,17,27}
{6,25,34}
{7,13,20}
{8,16,21}
{10,12,18}
{14,33,36}
{15,24,37}
{22,28,39}
{30,32,35}