n: 30 m: 209 packed: 10 density: 0 nodes: 0 solveTime: 1690 buildTime: 20 solved: true
{0,8,28}
{1,2,5}
{3,6,9}
{4,16,17}
{7,19,24}
{10,15,18}
{11,20,25}
{12,23,27}
{13,14,26}
{21,22,29}