n: 40 m: 146 packed: 13 density: 0 nodes: 0 solveTime: 300 buildTime: 20 solved: true
{0,12,21}
{1,13,14}
{2,25,34}
{3,6,10}
{4,24,29}
{5,18,37}
{7,19,35}
{8,16,33}
{9,27,32}
{11,20,26}
{15,17,30}
{22,38,39}
{23,28,36}