C111123313121111121111331333133313331333131322113121111331323221233132322331211   >>    C11112331312111112111133133313331333133313132211312111133132322123313232233121   <<    C111123313121111121111331333133313331333131322113121111331323221233132322331213   >>      C111123313121111121111331333133313331333131322113121111331323221233132322331212   >>