n: 30 m: 142 packed: 10 density: 0 nodes: 0 solveTime: 300 buildTime: 20 solved: true
{0,18,24}
{1,3,28}
{2,9,23}
{4,7,13}
{5,20,26}
{6,27,29}
{8,14,22}
{10,11,16}
{12,15,25}
{17,19,21}