n: 30 m: 437 packed: 10 density: 0 nodes: 0 solveTime: 8660 buildTime: 110 solved: true
{0,19,29}
{1,26,28}
{2,3,4}
{5,6,7}
{8,14,22}
{9,21,25}
{10,12,24}
{11,13,18}
{15,16,23}
{17,20,27}