C111123313121111121111331333133313331333131233133313233213112131   >>    C11112331312111112111133133313331333133313123313331323321311213   <<    C111123313121111121111331333133313331333131233133313233213112133   >>      C111123313121111121111331333133313331333131233133313233213112132   >>