C111113331333132322331333133313331331121111121133133313113313232212231   >>    C11111333133313232233133313331333133112111112113313331311331323221223   <<    C111113331333132322331333133313331331121111121133133313113313232212233   >>      C111113331333132322331333133313331331121111121133133313113313232212232   >>