P+B-1P+B-2P+B2-1P+B-3P+B2-2P+B-4P+B-5P+B2-3P+B2-4P+B2-5P+B2-6P+B2-7P+B3-1P+B3-2P+B3-3P+B-6P+B3-4P+B3-5P+B2-8P+B-7