n: 30 m: 637 packed: 10 density: 0 nodes: 0 solveTime: 67560 buildTime: 240 solved: true
{0,26,29}
{1,3,11}
{2,5,10}
{4,13,14}
{6,15,16}
{7,8,9}
{12,18,23}
{17,21,27}
{19,25,28}
{20,22,24}