n: 40 m: 422 packed: 13 density: 0 nodes: 0 solveTime: 10660 buildTime: 100 solved: true
{0,31,39}
{1,9,10}
{2,4,19}
{3,26,35}
{5,6,18}
{7,8,20}
{11,12,14}
{13,32,37}
{15,16,23}
{17,30,34}
{21,27,29}
{22,25,28}
{24,33,36}