n: 30 m: 369 packed: 10 density: 0 nodes: 0 solveTime: 10720 buildTime: 90 solved: true
{0,9,12}
{1,11,15}
{2,4,5}
{3,6,10}
{7,21,22}
{8,14,16}
{13,26,27}
{17,24,29}
{18,20,23}
{19,25,28}