n: 40 m: 493 packed: 13 density: 0 nodes: 0 solveTime: 23630 buildTime: 140 solved: true
{0,27,33}
{1,7,9}
{2,37,39}
{3,5,22}
{4,6,10}
{8,17,18}
{11,13,20}
{14,26,28}
{15,16,21}
{19,34,35}
{23,25,29}
{24,30,32}
{31,36,38}