n: 30 m: 351 packed: 10 density: 0 nodes: 0 solveTime: 8590 buildTime: 80 solved: true
{0,7,28}
{1,2,20}
{3,23,29}
{4,11,25}
{5,6,15}
{8,17,19}
{9,10,26}
{12,14,27}
{13,18,21}
{16,22,24}