C312312111111331312111133133313331331121111331333133311222331323221   >>    C31231211111133131211113313331333133112111133133313331122233132322   <<    C312312111111331312111133133313331331121111331333133311222331323223   >>      C312312111111331312111133133313331331121111331333133311222331323222   >>