C132233133112121111331333133313331323133313331333133313311221231   >>    C13223313311212111133133313331333132313331333133313331331122123   <<    C132233133112121111331333133313331323133313331333133313311221233   >>      C132233133112121111331333133313331323133313331333133313311221232   >>