C13332313311211113313331333133313331323132233133313331333222122121   >>    C1333231331121111331333133313331333132313223313331333133322212212   <<    C13332313311211113313331333133313331323132233133313331333222122123   >>      C13332313311211113313331333133313331323132233133313331333222122122   >>