n: 50 m: 388 packed: 16 density: 0 nodes: 0 solveTime: 8520 buildTime: 80 solved: true
{0,33,46}
{1,23,34}
{2,32,47}
{3,5,6}
{4,30,31}
{7,21,26}
{8,45,49}
{9,10,13}
{11,29,36}
{12,16,41}
{14,24,28}
{15,17,18}
{19,43,44}
{20,35,42}
{22,25,38}
{37,39,40}