n: 30 m: 177 packed: 10 density: 0 nodes: 0 solveTime: 270 buildTime: 30 solved: true
{0,12,19}
{1,11,13}
{2,6,9}
{3,15,22}
{4,25,27}
{5,18,29}
{7,20,21}
{8,24,28}
{10,16,23}
{14,17,26}