n: 40 m: 177 packed: 13 density: 0 nodes: 0 solveTime: 720 buildTime: 20 solved: true
{0,28,30}
{1,24,36}
{2,10,39}
{3,23,27}
{4,17,25}
{5,8,20}
{6,15,29}
{7,22,33}
{9,18,32}
{11,12,19}
{13,14,38}
{21,26,35}
{31,34,37}