n: 30 m: 453 packed: 10 density: 0 nodes: 0 solveTime: 12420 buildTime: 130 solved: true
{0,19,20}
{1,5,14}
{2,22,27}
{3,15,23}
{4,13,26}
{6,10,28}
{7,16,24}
{8,21,25}
{9,11,29}
{12,17,18}