n: 30 m: 333 packed: 10 density: 0 nodes: 0 solveTime: 3980 buildTime: 70 solved: true
{0,11,16}
{1,5,20}
{2,14,15}
{3,24,28}
{4,9,10}
{6,13,27}
{7,18,19}
{8,26,29}
{12,17,23}
{21,22,25}