C11112331312111112111133133313331333132212111133133313331333132322331333112221   >>    C1111233131211111211113313331333133313221211113313331333133313232233133311222   <<    C11112331312111112111133133313331333132212111133133313331333132322331333112223   >>      C11112331312111112111133133313331333132212111133133313331333132322331333112222   >>