C1111121111331311211331333133313331333133313231333133313232212111113331121   >>    C111112111133131121133133313331333133313331323133313331323221211111333112   <<    C1111121111331311211331333133313331333133313231333133313232212111113331123   >>      C1111121111331311211331333133313331333133313231333133313232212111113331122   >>