C111113331333132322331333133313331331121111121133133313331311111333121   >>    C11111333133313232233133313331333133112111112113313331333131111133312   <<    C111113331333132322331333133313331331121111121133133313331311111333123   >>      C111113331333132322331333133313331331121111121133133313331311111333122   >>