n: 30 m: 312 packed: 10 density: 0 nodes: 0 solveTime: 4180 buildTime: 70 solved: true
{0,21,29}
{1,2,8}
{3,4,9}
{5,7,18}
{6,24,26}
{10,16,22}
{11,14,23}
{12,13,17}
{15,19,25}
{20,27,28}