n: 30 m: 369 packed: 10 density: 0 nodes: 0 solveTime: 15550 buildTime: 90 solved: true
{0,8,13}
{1,20,21}
{2,11,22}
{3,5,10}
{4,7,14}
{6,18,28}
{9,16,19}
{12,26,29}
{15,17,27}
{23,24,25}