n: 30 m: 274 packed: 10 density: 0 nodes: 0 solveTime: 2050 buildTime: 40 solved: true
{0,15,20}
{1,13,24}
{2,22,23}
{3,4,16}
{5,18,26}
{6,7,8}
{9,12,21}
{10,11,14}
{17,27,29}
{19,25,28}