C11112331312111112111133133313331333133112111111331333133313331323223311211331   >>    C1111233131211111211113313331333133313311211111133133313331333132322331121133   <<    C11112331312111112111133133313331333133112111111331333133313331323223311211333   >>      C11112331312111112111133133313331333133112111111331333133313331323223311211332   >>