C111123313121111121111331333133313331333131322113121111331323212121   >>    C11112331312111112111133133313331333133313132211312111133132321212   <<    C111123313121111121111331333133313331333131322113121111331323212123   >>      C111123313121111121111331333133313331333131322113121111331323212122   >>