C111123313121111121111331333133313331333133313331333133312111133132231312321   >>    C11112331312111112111133133313331333133313331333133313331211113313223131232   <<    C111123313121111121111331333133313331333133313331333133312111133132231312323   >>      C111123313121111121111331333133313331333133313331333133312111133132231312322   >>