Posed Formal-1Posed Formal-2Posed Formal-3Posed Formal-4Posed Formal-5Posed Formal-6Posed Formal-7Posed Formal-8Posed Formal-9Posed Formal-10Posed Formal-11Posed Formal-12Posed Formal-13Posed Formal-14Posed Formal-15Posed Formal-16Posed Formal-17Posed Formal-18Posed Formal-19Posed Formal-20