n: 40 m: 514 packed: 13 density: 0 nodes: 0 solveTime: 20460 buildTime: 160 solved: true
{0,14,37}
{1,10,36}
{2,5,21}
{3,6,16}
{4,9,33}
{7,8,13}
{11,12,39}
{15,17,32}
{18,23,25}
{19,34,35}
{20,27,28}
{22,29,38}
{24,26,30}