n: 40 m: 582 packed: 13 density: 0 nodes: 0 solveTime: 42840 buildTime: 210 solved: true
{0,9,26}
{1,6,13}
{2,18,36}
{3,4,7}
{8,25,33}
{10,12,29}
{11,20,21}
{14,22,32}
{15,27,34}
{16,24,28}
{17,31,35}
{19,23,30}
{37,38,39}