n: 50 m: 309 packed: 16 density: 0 nodes: 0 solveTime: 3900 buildTime: 60 solved: true
{0,16,18}
{1,11,28}
{2,26,29}
{3,31,44}
{4,21,30}
{5,9,24}
{6,10,46}
{7,40,41}
{8,12,37}
{13,43,45}
{14,19,48}
{15,23,35}
{17,25,47}
{20,22,42}
{27,32,33}
{34,36,39}