n: 40 m: 460 packed: 13 density: 0 nodes: 0 solveTime: 25540 buildTime: 120 solved: true
{0,21,22}
{1,14,33}
{2,19,20}
{3,13,16}
{4,27,32}
{5,15,31}
{6,36,38}
{7,18,34}
{8,26,37}
{9,12,29}
{10,11,28}
{23,24,25}
{30,35,39}