n: 30 m: 293 packed: 10 density: 0 nodes: 0 solveTime: 4880 buildTime: 50 solved: true
{0,15,20}
{1,11,13}
{2,3,6}
{4,7,26}
{5,16,19}
{8,10,25}
{9,12,14}
{17,18,24}
{21,22,29}
{23,27,28}