n: 30 m: 171 packed: 10 density: 0 nodes: 0 solveTime: 1050 buildTime: 20 solved: true
{0,9,12}
{1,6,25}
{2,7,16}
{3,14,26}
{4,20,27}
{5,22,28}
{8,13,15}
{10,18,29}
{11,19,24}
{17,21,23}