n: 30 m: 310 packed: 10 density: 0 nodes: 0 solveTime: 6110 buildTime: 70 solved: true
{0,7,16}
{1,20,27}
{2,4,8}
{3,6,9}
{5,10,17}
{11,22,24}
{12,13,26}
{14,23,28}
{15,25,29}
{18,19,21}