n: 30 m: 311 packed: 10 density: 0 nodes: 0 solveTime: 3230 buildTime: 60 solved: true
{0,6,9}
{1,2,5}
{3,8,11}
{4,7,18}
{10,27,28}
{12,14,22}
{13,15,17}
{16,20,24}
{19,25,26}
{21,23,29}