n: 30 m: 469 packed: 10 density: 0 nodes: 0 solveTime: 18140 buildTime: 130 solved: true
{0,2,3}
{1,7,12}
{4,6,15}
{5,8,18}
{9,19,27}
{10,22,24}
{11,13,16}
{14,20,28}
{17,23,25}
{21,26,29}