n: 40 m: 575 packed: 13 density: 0 nodes: 0 solveTime: 24750 buildTime: 190 solved: true
{0,13,25}
{1,33,35}
{3,28,32}
{4,26,29}
{5,27,37}
{6,8,31}
{7,9,12}
{10,36,39}
{11,20,38}
{14,15,16}
{17,21,22}
{18,19,23}
{24,30,34}