n: 30 m: 341 packed: 10 density: 0 nodes: 0 solveTime: 3240 buildTime: 70 solved: true
{0,3,4}
{1,2,9}
{5,19,25}
{6,12,26}
{7,13,22}
{8,11,23}
{10,17,18}
{14,16,21}
{15,27,29}
{20,24,28}