n: 40 m: 241 packed: 13 density: 0 nodes: 0 solveTime: 2020 buildTime: 30 solved: true
{0,16,25}
{1,22,33}
{2,21,28}
{3,12,32}
{4,8,14}
{5,20,36}
{6,17,29}
{7,9,24}
{10,19,27}
{11,13,30}
{15,18,38}
{23,26,37}
{31,35,39}