n: 30 m: 228 packed: 10 density: 0 nodes: 0 solveTime: 770 buildTime: 40 solved: true
{0,9,21}
{1,11,19}
{2,25,29}
{3,15,20}
{4,13,27}
{5,7,18}
{6,8,10}
{12,16,17}
{14,23,26}
{22,24,28}