n: 30 m: 391 packed: 10 density: 0 nodes: 0 solveTime: 5180 buildTime: 90 solved: true
{0,5,15}
{1,2,9}
{3,4,14}
{6,20,26}
{7,18,19}
{8,25,27}
{10,13,28}
{11,16,24}
{12,22,29}
{17,21,23}