n: 30 m: 326 packed: 10 density: 0 nodes: 0 solveTime: 10480 buildTime: 70 solved: true
{0,12,16}
{1,6,22}
{2,10,14}
{3,7,28}
{4,15,26}
{5,8,11}
{9,18,29}
{13,20,25}
{17,23,27}
{19,21,24}