n: 30 m: 329 packed: 10 density: 0 nodes: 0 solveTime: 2740 buildTime: 70 solved: true
{0,18,21}
{1,12,28}
{2,13,19}
{3,5,17}
{4,11,14}
{6,20,23}
{7,16,29}
{8,25,26}
{9,24,27}
{10,15,22}