n: 40 m: 498 packed: 13 density: 0 nodes: 0 solveTime: 7570 buildTime: 150 solved: true
{0,20,26}
{1,5,11}
{2,13,14}
{3,4,29}
{6,9,16}
{7,8,12}
{10,18,25}
{15,17,19}
{21,34,37}
{22,30,39}
{24,27,31}
{28,36,38}
{32,33,35}