C111123313121111121111331333133313331333133313331333133313331333132311222221   >>    C11112331312111112111133133313331333133313331333133313331333133313231122222   <<    C111123313121111121111331333133313331333133313331333133313331333132311222223   >>      C111123313121111121111331333133313331333133313331333133313331333132311222222   >>