n: 30 m: 245 packed: 10 density: 0 nodes: 0 solveTime: 2400 buildTime: 30 solved: true
{0,8,9}
{1,5,13}
{2,24,25}
{3,11,23}
{4,14,18}
{6,19,20}
{7,12,15}
{10,16,27}
{17,26,29}
{21,22,28}