C111113331333132322331333133313331331121111121133133313331323331313211211   >>    C11111333133313232233133313331333133112111112113313331333132333131321121   <<    C111113331333132322331333133313331331121111121133133313331323331313211213   >>      C111113331333132322331333133313331331121111121133133313331323331313211212   >>