n: 30 m: 415 packed: 10 density: 0 nodes: 0 solveTime: 8020 buildTime: 110 solved: true
{0,4,6}
{1,7,19}
{2,14,16}
{3,5,22}
{8,9,13}
{10,11,20}
{12,17,18}
{15,25,27}
{21,26,28}
{23,24,29}