n: 40 m: 197 packed: 13 density: 0 nodes: 0 solveTime: 1040 buildTime: 20 solved: true
{0,26,36}
{1,24,38}
{2,15,25}
{3,9,22}
{4,11,27}
{5,13,31}
{6,12,33}
{7,14,20}
{8,17,18}
{10,19,34}
{21,28,32}
{23,35,37}
{29,30,39}