n: 30 m: 422 packed: 10 density: 0 nodes: 0 solveTime: 9970 buildTime: 110 solved: true
{0,3,10}
{1,20,21}
{2,4,5}
{6,7,8}
{9,12,15}
{11,19,29}
{13,17,26}
{14,16,23}
{18,22,24}
{25,27,28}