n: 30 m: 319 packed: 10 density: 0 nodes: 0 solveTime: 1770 buildTime: 60 solved: true
{0,13,25}
{1,4,7}
{2,5,6}
{3,9,28}
{8,17,27}
{10,20,29}
{11,19,24}
{12,21,22}
{14,15,18}
{16,23,26}