C11112331312111112111133133313331333133313331333133313231333133313221311211331   >>    C1111233131211111211113313331333133313331333133313331323133313331322131121133   <<    C11112331312111112111133133313331333133313331333133313231333133313221311211333   >>      C11112331312111112111133133313331333133313331333133313231333133313221311211332   >>