n: 50 m: 468 packed: 16 density: 0 nodes: 0 solveTime: 12620 buildTime: 120 solved: true
{0,17,31}
{1,27,49}
{2,33,47}
{3,4,6}
{5,39,46}
{7,11,18}
{8,10,41}
{9,40,48}
{12,35,37}
{13,21,24}
{14,25,42}
{15,38,44}
{16,30,45}
{19,32,34}
{20,22,36}
{23,26,28}