n: 30 m: 470 packed: 10 density: 0 nodes: 0 solveTime: 10130 buildTime: 140 solved: true
{0,12,13}
{1,2,5}
{3,4,7}
{6,9,11}
{8,10,23}
{14,16,21}
{15,18,28}
{17,24,26}
{19,22,25}
{20,27,29}