n: 30 m: 162 packed: 10 density: 0 nodes: 0 solveTime: 270 buildTime: 10 solved: true
{0,15,21}
{1,10,25}
{2,20,27}
{3,11,18}
{4,16,17}
{5,7,19}
{6,24,28}
{8,9,12}
{13,14,26}
{22,23,29}