n: 40 m: 266 packed: 13 density: 0 nodes: 0 solveTime: 1500 buildTime: 40 solved: true
{0,7,8}
{1,30,33}
{2,26,36}
{3,14,16}
{4,22,37}
{5,17,27}
{6,24,32}
{9,29,31}
{10,18,21}
{11,12,38}
{13,25,34}
{15,20,39}
{23,28,35}