C111113331333132322331333133313331331121111121133133313113313112132232122311   >>    C11111333133313232233133313331333133112111112113313331311331311213223212231   <<    C111113331333132322331333133313331331121111121133133313113313112132232122313   >>      C111113331333132322331333133313331331121111121133133313113313112132232122312   >>