n: 30 m: 263 packed: 10 density: 0 nodes: 0 solveTime: 1160 buildTime: 50 solved: true
{0,6,18}
{1,4,9}
{2,8,15}
{3,25,28}
{5,7,12}
{10,17,26}
{11,23,29}
{13,22,24}
{14,19,20}
{16,21,27}