n: 30 m: 406 packed: 10 density: 0 nodes: 0 solveTime: 16870 buildTime: 100 solved: true
{0,23,26}
{1,8,12}
{2,21,24}
{3,7,20}
{4,13,28}
{5,10,18}
{6,14,15}
{9,11,19}
{16,17,29}
{22,25,27}