n: 30 m: 485 packed: 10 density: 0 nodes: 0 solveTime: 23320 buildTime: 140 solved: true
{0,4,5}
{1,2,19}
{3,21,27}
{6,13,18}
{7,16,25}
{8,22,26}
{9,12,24}
{10,11,15}
{14,20,29}
{17,23,28}