n: 30 m: 392 packed: 10 density: 0 nodes: 0 solveTime: 4210 buildTime: 90 solved: true
{0,16,27}
{1,9,20}
{2,3,6}
{4,24,26}
{5,11,29}
{7,10,12}
{8,13,15}
{14,19,21}
{17,25,28}
{18,22,23}