n: 30 m: 90 packed: 10 density: 0 nodes: 0 solveTime: 270 buildTime: 10 solved: true
{0,9,19}
{1,2,6}
{3,12,13}
{4,5,14}
{7,11,25}
{8,21,29}
{10,17,26}
{15,16,27}
{18,20,23}
{22,24,28}