n: 30 m: 135 packed: 10 density: 0 nodes: 0 solveTime: 1100 buildTime: 10 solved: true
{0,2,19}
{1,23,28}
{3,5,27}
{4,6,8}
{7,12,15}
{9,13,26}
{10,17,21}
{11,18,29}
{14,16,20}
{22,24,25}