n: 30 m: 252 packed: 10 density: 0 nodes: 0 solveTime: 4400 buildTime: 40 solved: true
{0,15,22}
{1,14,18}
{2,5,24}
{3,7,19}
{4,10,11}
{6,12,23}
{8,20,29}
{9,13,21}
{16,17,25}
{26,27,28}