[(10 pc)1  & 4x1-1  & 2  ]

[(10 pc)1  & 4x2-1  & 2  ]

[(10 pc)1  & 4x1  ]

[(10 pc)1  & 4x3-1  & 2  ]

[(10 pc)1  & 4x4-1  & 2  ]

[(10 pc)1  & 4x2  ]

[(10 pc)1  & 4x1-1  & 4  ]

[(10 pc)1  & 4x5  & 8  ]