n: 30 m: 422 packed: 10 density: 0 nodes: 0 solveTime: 25080 buildTime: 120 solved: true
{0,21,25}
{1,10,17}
{2,14,20}
{3,9,13}
{4,8,27}
{5,18,23}
{6,22,29}
{7,15,16}
{11,12,24}
{19,26,28}