n: 30 m: 396 packed: 10 density: 0 nodes: 0 solveTime: 4660 buildTime: 90 solved: true
{0,6,22}
{1,3,23}
{2,7,26}
{4,17,21}
{5,25,28}
{8,13,18}
{9,16,27}
{10,19,24}
{11,14,29}
{12,15,20}