n: 30 m: 271 packed: 10 density: 0 nodes: 0 solveTime: 1560 buildTime: 50 solved: true
{0,16,23}
{1,2,9}
{3,11,24}
{4,26,27}
{5,8,20}
{6,12,13}
{7,10,15}
{14,17,21}
{18,22,25}
{19,28,29}