C11112331312111112111133133313331312111111322331333133313232323131   >>    C1111233131211111211113313331333131211111132233133313331323232313   <<    C11112331312111112111133133313331312111111322331333133313232323133   >>      C11112331312111112111133133313331312111111322331333133313232323132   >>