n: 30 m: 204 packed: 10 density: 0 nodes: 0 solveTime: 680 buildTime: 30 solved: true
{0,18,23}
{1,9,22}
{2,13,14}
{3,10,11}
{4,7,27}
{5,16,21}
{6,17,24}
{8,20,28}
{12,15,26}
{19,25,29}