C111123313121111121111331333133313331323231333133313331333231332133112321   >>    C11112331312111112111133133313331333132323133313331333133323133213311232   <<    C111123313121111121111331333133313331323231333133313331333231332133112323   >>      C111123313121111121111331333133313331323231333133313331333231332133112322   >>