n: 30 m: 240 packed: 10 density: 0 nodes: 0 solveTime: 1240 buildTime: 30 solved: true
{0,9,11}
{1,10,22}
{2,5,28}
{3,13,19}
{4,24,27}
{6,12,20}
{7,8,18}
{14,15,25}
{16,26,29}
{17,21,23}