n: 40 m: 597 packed: 13 density: 0 nodes: 0 solveTime: 102600 buildTime: 210 solved: true
{0,10,11}
{1,33,39}
{2,16,24}
{3,13,35}
{4,21,22}
{5,23,31}
{6,7,18}
{8,12,20}
{14,17,29}
{15,27,34}
{19,26,36}
{25,28,37}
{30,32,38}