C31231211111133131211113313331333132233133313331333132213123232321323131   >>    C3123121111113313121111331333133313223313331333133313221312323232132313   <<    C31231211111133131211113313331333132233133313331333132213123232321323133   >>      C31231211111133131211113313331333132233133313331333132213123232321323132   >>