n: 40 m: 197 packed: 13 density: 0 nodes: 0 solveTime: 1650 buildTime: 30 solved: true
{0,18,19}
{1,9,35}
{2,7,16}
{3,4,5}
{6,8,14}
{11,27,36}
{12,20,37}
{13,34,38}
{15,29,32}
{17,23,24}
{21,25,33}
{22,28,30}
{26,31,39}