n: 30 m: 449 packed: 10 density: 0 nodes: 0 solveTime: 9950 buildTime: 120 solved: true
{0,5,13}
{1,6,14}
{2,23,28}
{3,22,24}
{4,7,15}
{8,17,19}
{9,16,27}
{10,11,12}
{18,21,26}
{20,25,29}