C13332313311211111333133313113313331333132233133313331311331323133322121   >>    C1333231331121111133313331311331333133313223313331333131133132313332212   <<    C13332313311211111333133313113313331333132233133313331311331323133322123   >>      C13332313311211111333133313113313331333132233133313331311331323133322122   >>