n: 30 m: 209 packed: 10 density: 0 nodes: 0 solveTime: 530 buildTime: 20 solved: true
{0,15,21}
{1,17,29}
{2,12,16}
{3,10,26}
{4,5,9}
{6,25,27}
{7,8,20}
{11,14,18}
{13,24,28}
{19,22,23}