n: 30 m: 345 packed: 10 density: 0 nodes: 0 solveTime: 6680 buildTime: 70 solved: true
{0,18,22}
{1,17,29}
{2,3,5}
{4,11,13}
{6,9,26}
{7,8,10}
{12,20,23}
{14,19,27}
{15,24,28}
{16,21,25}