C1212132133313223313133313113313121111331311331311331323221211211331   >>    C121213213331322331313331311331312111133131133131133132322121121133   <<    C1212132133313223313133313113313121111331311331311331323221211211333   >>      C1212132133313223313133313113313121111331311331311331323221211211332   >>