RISOLUZIONE:

strega : 0–2–4–6–8–10–12–14–16–18–20–22–24–26–28–30–32–34–36–38–40–42-44-46-48-50 ecc

fantasma: 0 – 4 – 8 – 12 - 16 – 20 – 24 – 28 – 32 – 36 – 40 - 44 – 48 – 52 ecc.

pipistrello: 0 - 6 – 12 – 18 – 24 – 30 – 36 – 42 – 48 – 54 – 60 – 66 ecc.

ragno: 0 – 8 – 16 – 24 – 32 – 40 – 48 – 56 – 64 – 72 – 80 – 88 ecc.

Si tratta della tabellina del 24 (minimo comune multiplo tra 2-4-6-8 -> 2x2x2x3), per cui...

0 – 24 – 48 – 72 – 96 – 120 – 144 - 168 – 192 – 216

SOLUZIONE: 216

INDIETRO