n: 30 m: 352 packed: 10 density: 0 nodes: 0 solveTime: 2080 buildTime: 80 solved: true
{0,3,6}
{1,2,9}
{4,10,13}
{5,19,26}
{7,15,22}
{8,18,21}
{11,27,28}
{12,17,29}
{14,16,20}
{23,24,25}