n: 30 m: 261 packed: 10 density: 0 nodes: 0 solveTime: 630 buildTime: 40 solved: true
{0,1,6}
{2,4,5}
{3,21,24}
{7,8,9}
{10,22,28}
{11,27,29}
{12,16,23}
{13,15,26}
{14,18,25}
{17,19,20}