C11112331312111112111133133313331333132322121111331323221131131   >>    C1111233131211111211113313331333133313232212111133132322113113   <<    C11112331312111112111133133313331333132322121111331323221131133   >>      C11112331312111112111133133313331333132322121111331323221131132   >>