n: 30 m: 555 packed: 10 density: 0 nodes: 0 solveTime: 11250 buildTime: 190 solved: true
{0,18,26}
{1,16,27}
{2,6,15}
{3,4,11}
{5,12,24}
{7,9,13}
{8,19,21}
{10,14,23}
{17,25,29}
{20,22,28}