n: 30 m: 484 packed: 10 density: 0 nodes: 0 solveTime: 26560 buildTime: 140 solved: true
{0,20,25}
{1,4,6}
{2,3,28}
{5,10,29}
{7,8,9}
{11,16,21}
{12,24,26}
{13,14,15}
{17,18,19}
{22,23,27}