n: 30 m: 445 packed: 10 density: 0 nodes: 0 solveTime: 10000 buildTime: 120 solved: true
{0,18,19}
{1,2,16}
{3,5,7}
{4,26,28}
{6,13,20}
{8,23,29}
{9,24,27}
{10,12,22}
{11,17,21}
{14,15,25}