C111123313121111121111331333133313331323231333133313331323212312321   >>    C11112331312111112111133133313331333132323133313331333132321231232   <<    C111123313121111121111331333133313331323231333133313331323212312323   >>      C111123313121111121111331333133313331323231333133313331323212312322   >>