C111113331333132322331333133313331331121111121133133313121111131113111   >>    C11111333133313232233133313331333133112111112113313331312111113111311   <<    C111113331333132322331333133313331331121111121133133313121111131113113   >>      C111113331333132322331333133313331331121111121133133313121111131113112   >>