n: 40 m: 675 packed: 13 density: 0 nodes: 0 solveTime: 32160 buildTime: 260 solved: true
{0,1,27}
{2,3,17}
{4,11,23}
{5,10,28}
{6,7,32}
{8,16,39}
{9,12,21}
{14,36,38}
{15,24,34}
{18,22,37}
{19,25,26}
{20,30,33}
{29,31,35}