n: 30 m: 441 packed: 10 density: 0 nodes: 0 solveTime: 17790 buildTime: 120 solved: true
{0,1,2}
{3,14,21}
{4,8,9}
{5,6,7}
{10,20,24}
{11,18,29}
{12,17,26}
{13,15,16}
{19,22,28}
{23,25,27}