C3123121111113313121111331333133313331333132322331333133313331333132233313311   >>    C312312111111331312111133133313331333133313232233133313331333133313223331331   <<    C3123121111113313121111331333133313331333132322331333133313331333132233313313   >>      C3123121111113313121111331333133313331333132322331333133313331333132233313312   >>