C312312111133131212111133133313231333133313331323222313232321323331   >>    C31231211113313121211113313331323133313331333132322231323232132333   <<    C312312111133131212111133133313231333133313331323222313232321323333   >>      C312312111133131212111133133313231333133313331323222313232321323332   >>