n: 30 m: 371 packed: 10 density: 0 nodes: 0 solveTime: 7920 buildTime: 90 solved: true
{0,5,23}
{1,26,27}
{2,20,25}
{3,4,6}
{7,11,13}
{8,12,28}
{9,10,18}
{14,17,24}
{15,16,19}
{21,22,29}