n: 30 m: 311 packed: 10 density: 0 nodes: 0 solveTime: 4850 buildTime: 60 solved: true
{0,10,23}
{1,12,20}
{2,22,26}
{3,6,8}
{4,19,28}
{5,14,17}
{7,13,21}
{9,15,29}
{11,18,24}
{16,25,27}