C3123121111331312121111331333132313331323221211113313332313223321   >>    C312312111133131212111133133313231333132322121111331333231322332   <<    C3123121111331312121111331333132313331323221211113313332313223323   >>      C3123121111331312121111331333132313331323221211113313332313223322   >>