n: 30 m: 447 packed: 10 density: 0 nodes: 0 solveTime: 4200 buildTime: 120 solved: true
{0,7,12}
{1,25,27}
{2,3,8}
{4,26,28}
{5,10,16}
{6,11,15}
{9,17,20}
{13,21,24}
{14,18,23}
{19,22,29}