n: 30 m: 282 packed: 10 density: 0 nodes: 0 solveTime: 1810 buildTime: 40 solved: true
{0,7,11}
{1,5,9}
{2,6,16}
{3,4,8}
{10,26,28}
{12,15,18}
{13,19,21}
{14,25,27}
{17,22,29}
{20,23,24}