n: 30 m: 449 packed: 10 density: 0 nodes: 0 solveTime: 11360 buildTime: 120 solved: true
{0,20,28}
{1,2,3}
{4,27,29}
{5,10,26}
{6,7,9}
{8,11,12}
{13,17,22}
{14,15,21}
{16,18,19}
{23,24,25}