C11112331312111112111133133313331333133313331333133313331333133322331233131   >>    C1111233131211111211113313331333133313331333133313331333133313332233123313   <<    C11112331312111112111133133313331333133313331333133313331333133322331233133   >>      C11112331312111112111133133313331333133313331333133313331333133322331233132   >>