n: 30 m: 421 packed: 10 density: 0 nodes: 0 solveTime: 15500 buildTime: 110 solved: true
{0,10,16}
{1,7,25}
{2,3,6}
{4,15,29}
{5,24,28}
{8,9,27}
{11,18,21}
{12,13,20}
{14,19,22}
{17,23,26}