n: 30 m: 501 packed: 10 density: 0 nodes: 0 solveTime: 30380 buildTime: 150 solved: true
{0,3,5}
{1,6,21}
{2,20,26}
{4,7,12}
{8,25,29}
{9,13,16}
{10,14,24}
{11,22,27}
{15,17,18}
{19,23,28}