n: 30 m: 417 packed: 10 density: 0 nodes: 0 solveTime: 8890 buildTime: 110 solved: true
{0,13,23}
{1,2,4}
{3,8,17}
{5,7,9}
{6,10,18}
{11,16,20}
{12,14,26}
{15,24,29}
{19,21,28}
{22,25,27}