C22121333132313311211113313331333132233131133133313232213231323231   >>    C2212133313231331121111331333133313223313113313331323221323132323   <<    C22121333132313311211113313331333132233131133133313232213231323233   >>      C22121333132313311211113313331333132233131133133313232213231323232   >>