n: 30 m: 351 packed: 10 density: 0 nodes: 0 solveTime: 6450 buildTime: 70 solved: true
{0,19,20}
{1,11,15}
{2,12,16}
{3,14,17}
{4,23,28}
{5,7,13}
{6,18,29}
{8,25,27}
{9,10,21}
{22,24,26}