C31231211113313121211113313113313331333132322331333131121333112321   >>    C3123121111331312121111331311331333133313232233133313112133311232   <<    C31231211113313121211113313113313331333132322331333131121333112323   >>      C31231211113313121211113313113313331333132322331333131121333112322   >>