n: 30 m: 418 packed: 10 density: 0 nodes: 0 solveTime: 11670 buildTime: 100 solved: true
{0,3,12}
{1,4,6}
{2,5,13}
{7,21,22}
{8,19,29}
{9,26,28}
{10,14,17}
{11,16,25}
{15,18,20}
{23,24,27}