n: 30 m: 87 packed: 10 density: 0 nodes: 0 solveTime: 70 buildTime: 0 solved: true
{0,2,9}
{1,18,20}
{3,6,17}
{4,24,29}
{5,27,28}
{7,13,14}
{8,15,19}
{10,23,25}
{11,21,22}
{12,16,26}