C3123121111331312121111331333132313331333133313331312111113331333132212111   >>    C312312111133131212111133133313231333133313331333131211111333133313221211   <<    C3123121111331312121111331333132313331333133313331312111113331333132212113   >>      C3123121111331312121111331333132313331333133313331312111113331333132212112   >>