n: 40 m: 204 packed: 13 density: 0 nodes: 0 solveTime: 670 buildTime: 30 solved: true
{0,10,26}
{1,21,35}
{2,31,32}
{3,24,36}
{4,28,29}
{5,8,30}
{6,14,19}
{7,11,16}
{9,27,37}
{12,15,23}
{13,17,18}
{20,33,34}
{25,38,39}