C3123121111331312121111331333132313331333133313331312111113331333132322223321   >>    C312312111133131212111133133313231333133313331333131211111333133313232222332   <<    C3123121111331312121111331333132313331333133313331312111113331333132322223323   >>      C3123121111331312121111331333132313331333133313331312111113331333132322223322   >>