C13332313311211113313331333133313331323221231323132313232233121   >>    C1333231331121111331333133313331333132322123132313231323223312   <<    C13332313311211113313331333133313331323221231323132313232233123   >>      C13332313311211113313331333133313331323221231323132313232233122   >>