n: 30 m: 274 packed: 10 density: 0 nodes: 0 solveTime: 2540 buildTime: 40 solved: true
{0,11,22}
{1,5,10}
{2,3,23}
{4,16,20}
{6,17,18}
{7,26,29}
{8,25,27}
{9,13,14}
{12,21,28}
{15,19,24}