n: 30 m: 429 packed: 10 density: 0 nodes: 0 solveTime: 9610 buildTime: 110 solved: true
{0,16,21}
{1,5,24}
{2,10,11}
{3,9,15}
{4,6,7}
{8,25,28}
{12,17,18}
{13,22,27}
{14,26,29}
{19,20,23}