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(A) Plots of 
for different periods of forcing with an amplitude of 0.65. (B) Phase diagram as the amplitude and period of the forcing vary; color code is the “depth” of the pattern (the difference between 
and 
) with dark red/black the deepest. (Blue dots correspond to the four periods shown in A.) (C) Bifurcation diagram for 
Red curves are unstable periodic orbits and blue are stable. See text for details.
