C11112331312111112111133133313331333132212111133133313331333133322331311311   >>    C1111233131211111211113313331333133313221211113313331333133313332233131131   <<    C11112331312111112111133133313331333132212111133133313331333133322331311313   >>      C11112331312111112111133133313331333132212111133133313331333133322331311312   >>