n: 30 m: 387 packed: 10 density: 0 nodes: 0 solveTime: 11170 buildTime: 90 solved: true
{0,12,22}
{1,2,9}
{3,27,28}
{4,5,23}
{6,7,8}
{10,16,24}
{11,13,14}
{15,20,29}
{17,25,26}
{18,19,21}