C22121333132313311211113313331333132233131133133313331323221333121331   >>    C2212133313231331121111331333133313223313113313331333132322133312133   <<    C22121333132313311211113313331333132233131133133313331323221333121333   >>      C22121333132313311211113313331333132233131133133313331323221333121332   >>