n: 30 m: 489 packed: 10 density: 0 nodes: 0 solveTime: 4120 buildTime: 140 solved: true
{0,1,4}
{2,5,8}
{3,7,25}
{6,10,16}
{9,13,15}
{11,24,26}
{12,23,28}
{14,22,29}
{17,19,20}
{18,21,27}