n: 30 m: 347 packed: 10 density: 0 nodes: 0 solveTime: 3250 buildTime: 70 solved: true
{0,20,22}
{1,10,21}
{2,9,11}
{3,4,7}
{5,6,28}
{8,17,18}
{12,26,29}
{13,23,27}
{14,15,25}
{16,19,24}