n: 30 m: 305 packed: 10 density: 0 nodes: 0 solveTime: 2510 buildTime: 60 solved: true
{0,12,28}
{1,6,15}
{2,3,9}
{4,23,29}
{5,8,13}
{7,21,22}
{10,17,20}
{11,18,27}
{14,16,24}
{19,25,26}