n: 30 m: 539 packed: 10 density: 0 nodes: 0 solveTime: 10040 buildTime: 170 solved: true
{0,2,4}
{1,6,21}
{3,10,11}
{5,12,16}
{7,18,23}
{8,14,15}
{9,24,26}
{13,22,27}
{17,25,29}
{19,20,28}