n: 30 m: 207 packed: 10 density: 0 nodes: 0 solveTime: 620 buildTime: 30 solved: true
{0,15,16}
{1,12,25}
{2,13,17}
{3,6,7}
{4,5,24}
{8,26,27}
{9,14,19}
{10,21,22}
{11,20,29}
{18,23,28}