n: 40 m: 259 packed: 13 density: 0 nodes: 0 solveTime: 2750 buildTime: 40 solved: true
{0,21,26}
{1,15,28}
{2,13,33}
{3,10,12}
{4,5,6}
{7,35,38}
{8,25,31}
{9,20,32}
{11,36,39}
{14,18,22}
{16,17,19}
{23,24,30}
{27,29,34}