Investigate the Lindenmayer system that starts with the string F and repeatedly replaces F with FFR[RFLFLF]L[LFRFRF] in parallel. Interpret L and R to mean rotations by 22 degrees and interpret the symbols [ and ] as pushing and popping the current state of the turtle (position and angle) from a stack. The brackets avoid the case in which the figure consists of a singe line.

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Interpret F as meaning go one step forward with the pen down L as tu... View the full answer