n: 30 m: 395 packed: 10 density: 0 nodes: 0 solveTime: 22710 buildTime: 90 solved: true
{0,5,23}
{1,8,15}
{2,16,20}
{3,9,13}
{4,19,27}
{6,7,28}
{10,11,12}
{14,21,29}
{17,24,25}
{18,22,26}