Mathematica code:
Animate[ Graphics[ Rotate[ Table[ {Thickness[.0134], Circle[{23*Cos[i*Pi/2], 23*Sin[i*Pi/2]}, t + (44 - n) (1 + Sign[44 - n])/2]}, {n, 0, 100, 1}, {i, 0, 3, 1}], Pi/4], PlotRange -> 16.5, ImageSize -> 500],{t, 0, 1}]