n: 40 m: 442 packed: 13 density: 0 nodes: 0 solveTime: 15360 buildTime: 120 solved: true
{0,3,8}
{1,2,4}
{5,6,28}
{7,27,29}
{9,19,37}
{10,13,21}
{11,18,35}
{12,31,39}
{14,16,23}
{15,25,34}
{17,20,30}
{24,32,38}
{26,33,36}