n: 40 m: 563 packed: 13 density: 0 nodes: 0 solveTime: 32550 buildTime: 180 solved: true
{0,22,38}
{1,10,36}
{2,16,25}
{3,8,19}
{4,6,31}
{5,9,33}
{7,11,17}
{12,13,35}
{14,29,32}
{15,18,34}
{20,37,39}
{21,24,30}
{23,26,27}