C22121333132313311211113313331333132233131133133313331323221333131312311   >>    C2212133313231331121111331333133313223313113313331333132322133313131231   <<    C22121333132313311211113313331333132233131133133313331323221333131312313   >>      C22121333132313311211113313331333132233131133133313331323221333131312312   >>