n: 30 m: 326 packed: 10 density: 0 nodes: 0 solveTime: 4500 buildTime: 60 solved: true
{0,5,16}
{1,27,29}
{2,6,20}
{3,4,8}
{7,11,13}
{9,14,23}
{10,15,24}
{12,17,18}
{19,25,26}
{21,22,28}