C111123313121111121111331333133313331323232133313331311211332313233213331   >>    C11112331312111112111133133313331333132323213331333131121133231323321333   <<    C111123313121111121111331333133313331323232133313331311211332313233213333   >>      C111123313121111121111331333133313331323232133313331311211332313233213332   >>