n: 30 m: 226 packed: 10 density: 0 nodes: 0 solveTime: 870 buildTime: 40 solved: true
{0,19,20}
{1,3,22}
{2,7,28}
{4,21,27}
{5,24,25}
{6,8,9}
{10,14,23}
{11,17,29}
{12,16,18}
{13,15,26}