n: 40 m: 319 packed: 13 density: 0 nodes: 0 solveTime: 2850 buildTime: 60 solved: true
{0,8,17}
{1,14,16}
{2,10,36}
{3,15,27}
{4,9,12}
{5,6,21}
{7,13,20}
{18,25,34}
{19,32,39}
{22,30,38}
{23,26,28}
{24,33,35}
{29,31,37}