n: 40 m: 448 packed: 13 density: 0 nodes: 0 solveTime: 16020 buildTime: 120 solved: true
{0,30,34}
{1,7,26}
{2,5,39}
{3,4,8}
{6,14,25}
{10,19,27}
{11,13,15}
{12,16,23}
{17,18,20}
{21,22,36}
{24,29,35}
{28,31,32}
{33,37,38}