diff --git a/experiments/machxo2/ccu2_mux/ccu2_diff.txt b/experiments/machxo2/ccu2_mux/ccu2_diff.txt
deleted file mode 100644
index d11d3d7..0000000
--- a/experiments/machxo2/ccu2_mux/ccu2_diff.txt
+++ /dev/null
@@ -1,322 +0,0 @@
-CENTER10:CENTER_DUMMY
-CENTER11:CENTER_B_CIB
-CENTER1:CENTER_T_CIB
-CENTER2:CENTER_DUMMY
-CENTER3:CENTER_DUMMY
-CENTER4:CENTER4   
-CENTER5:CENTER5   
-CENTER6:CENTER_EBR_CIB
-CENTER7:CENTER6   
-CENTER8:CENTER7   
-CENTER9:CENTER8   
-CENTER_B:CENTER_B 
-CENTER_EBR14:CENTER_EBR
-CENTER_T:CENTER_T 
-CIB_R11C10:CIB_PIC_B_DUMMY
-CIB_R11C11:CIB_PIC_B0
-CIB_R11C12:CIB_PIC_B_DUMMY
-CIB_R11C13:CIB_PIC_B_DUMMY
-CIB_R11C14:CIB_PIC_B_DUMMY
-CIB_R11C15:CIB_PIC_B0
-CIB_R11C16:CIB_PIC_B_DUMMY
-CIB_R11C17:CIB_PIC_B_DUMMY
-CIB_R11C18:CIB_PIC_B0
-CIB_R11C19:CIB_PIC_B_DUMMY
-CIB_R11C20:CIB_PIC_B0
-CIB_R11C21:CIB_PIC_B_DUMMY
-CIB_R11C2:CIB_PIC_B_DUMMY
-CIB_R11C3:CIB_PIC_B_DUMMY
-CIB_R11C4:CIB_PIC_B0
-CIB_R11C5:CIB_PIC_B_DUMMY
-CIB_R11C6:CIB_PIC_B0
-CIB_R11C7:CIB_PIC_B_DUMMY
-CIB_R11C8:CIB_PIC_B_DUMMY
-CIB_R11C9:CIB_PIC_B0
-CIB_R1C10:CIB_PIC_T0
-CIB_R1C11:CIB_PIC_T0
-CIB_R1C12:CIB_PIC_T0
-CIB_R1C13:CIB_PIC_T_DUMMY
-CIB_R1C14:CIB_PIC_T_DUMMY
-CIB_R1C15:CIB_PIC_T0
-CIB_R1C16:CIB_PIC_T0
-CIB_R1C17:CIB_PIC_T0
-CIB_R1C18:CIB_PIC_T_DUMMY
-CIB_R1C19:CIB_PIC_T_DUMMY
-CIB_R1C20:CIB_PIC_T_DUMMY
-CIB_R1C21:CIB_PIC_T_DUMMY
-CIB_R1C2:CIB_PIC_T_DUMMY
-CIB_R1C3:CIB_PIC_T_DUMMY
-CIB_R1C4:CIB_CFG0 
-CIB_R1C5:CIB_CFG1 
-CIB_R1C6:CIB_CFG2 
-CIB_R1C7:CIB_CFG3 
-CIB_R1C8:CIB_PIC_T_DUMMY
-CIB_R1C9:CIB_PIC_T0
-CIB_R6C10:CIB_EBR0
-CIB_R6C11:CIB_EBR1
-CIB_R6C12:CIB_EBR2
-CIB_R6C13:CIB_EBR_DUMMY
-CIB_R6C14:CIB_EBR0
-CIB_R6C15:CIB_EBR1
-CIB_R6C16:CIB_EBR2
-CIB_R6C17:CIB_EBR0
-CIB_R6C18:CIB_EBR1
-CIB_R6C19:CIB_EBR2
-CIB_R6C1:CIB_EBR0_END0
-CIB_R6C20:CIB_EBR0
-CIB_R6C21:CIB_EBR1
-CIB_R6C22:CIB_EBR2_END0
-CIB_R6C2:CIB_EBR1 
-CIB_R6C3:CIB_EBR2 
-CIB_R6C4:CIB_EBR0 
-CIB_R6C5:CIB_EBR1 
-CIB_R6C6:CIB_EBR2 
-CIB_R6C7:CIB_EBR0 
-CIB_R6C8:CIB_EBR1 
-CIB_R6C9:CIB_EBR2 
-EBR_R6C10:EBR0    
-EBR_R6C11:EBR1    
-EBR_R6C12:EBR2    
-EBR_R6C13:EBR_DUMMY
-EBR_R6C14:EBR0    
-EBR_R6C15:EBR1    
-EBR_R6C16:EBR2    
-EBR_R6C17:EBR0    
-EBR_R6C18:EBR1    
-EBR_R6C19:EBR2    
-EBR_R6C1:EBR0_END 
-EBR_R6C20:EBR0    
-EBR_R6C21:EBR1    
-EBR_R6C22:EBR2_END
-EBR_R6C2:EBR1     
-EBR_R6C3:EBR2     
-EBR_R6C4:EBR0     
-EBR_R6C5:EBR1     
-EBR_R6C6:EBR2     
-EBR_R6C7:EBR0     
-EBR_R6C8:EBR1     
-EBR_R6C9:EBR2     
-PB10:PIC_B_DUMMY_VREF
-PB11:PIC_B0       
-PB12:PIC_B_DUMMY  
-PB13:PIC_B_DUMMY_VIQ
-PB14:PIC_B_DUMMY  
-PB15:PIC_B0       
-PB16:PIC_B_DUMMY  
-PB17:PIC_B_DUMMY  
-PB18:PIC_B0       
-PB19:PIC_B_DUMMY  
-PB1:B_DUMMY_ENDL  
-PB20:PIC_B0       
-PB21:PIC_B_DUMMY  
-PB22:B_DUMMY_ENDR 
-PB2:DQSDLL_L      
-PB3:PIC_B_DUMMY   
-PB4:PIC_B0        
-PB5:PIC_B_DUMMY   
-PB6:PIC_B0        
-PB7:PIC_B_DUMMY   
-PB8:PIC_B_DUMMY   
-PB9:PIC_B0        
-PL10:PIC_L0       
-PL11:LLC0         
-PL1:ULC0          
-PL2:PIC_L0        
-PL3:PIC_L0        
-PL4:PIC_L0_VREF3  
-PL5:PIC_L0        
-PL7:PIC_L0_DUMMY  
-PL8:PIC_L0        
-PL9:PIC_LS0       
-PR10:PIC_R0       
-PR11:LRC0         
-PR1:URC0          
-PR2:PIC_R0        
-PR3:PIC_RS0       
-PR4:PIC_R0        
-PR5:PIC_R0        
-PR7:PIC_R0_DUMMY  
-PR8:PIC_R0        
-PR9:PIC_R0        
-PT10:PIC_T0       
-PT11:PIC_T0       
-PT12:PIC_T0       
-PT13:PIC_T_DUMMY_VIQ
-PT14:PIC_T_DUMMY  
-PT15:PIC_T0       
-PT16:PIC_T0       
-PT17:PIC_T0       
-PT18:PIC_T_DUMMY  
-PT19:PIC_T_DUMMY  
-PT1:GPLL_L0       
-PT20:PIC_T_DUMMY  
-PT21:DQSDLL_R     
-PT22:T_DUMMY_ENDR 
-PT2:PIC_T_DUMMY   
-PT3:PIC_T_DUMMY   
-PT4:CFG0          
-PT5:CFG1          
-PT6:CFG2          
-PT7:CFG3          
-PT8:PIC_T_DUMMY_OSC
-PT9:PIC_T0        
-R10C10:PLC        
-R10C11:PLC        !F24B13 !F24B14 !F24B15 !F24B16 !F24B17 !F24B18 F24B19 F24B20 F24B29 F24B30 !F24B31 !F24B32 !F24B33 !F24B34 !F24B35 !F24B36 F25B13 F25B14 F25B15 F25B16 F25B17 F25B18 F25B19 F25B20 F25B29 F25B30 F25B31 F25B32 F25B33 F25B34 F25B35 F25B36 F26B13 F26B14 F26B15 F26B16 F26B17 F26B18 F26B19 F26B20 F26B29 F26B30 F26B31 F26B32 F26B33 F26B34 F26B35 F26B36 F26B37 F26B38 F26B39 F26B40 F26B41 F26B42 F26B43 F26B44 !F27B13 !F27B14 !F27B15 !F27B16 !F27B17 !F27B18 F27B19 F27B20 F27B29 F27B30 !F27B31 !F27B32 !F27B33 !F27B34 !F27B35 !F27B36 !F27B37 !F27B38 !F27B39 !F27B40 !F27B41 !F27B42 F27B43 F27B44
-R10C12:PLC        
-R10C13:PLC        
-R10C14:PLC        
-R10C15:PLC        
-R10C16:PLC        
-R10C17:PLC        
-R10C18:PLC        
-R10C19:PLC        
-R10C20:PLC        
-R10C21:PLC        
-R10C2:PLC         
-R10C3:PLC         
-R10C4:PLC         
-R10C5:PLC         
-R10C6:PLC         
-R10C7:PLC         
-R10C8:PLC         
-R10C9:PLC         
-R2C10:PLC         
-R2C11:PLC         
-R2C12:PLC         
-R2C13:PLC         
-R2C14:PLC         
-R2C15:PLC         
-R2C16:PLC         
-R2C17:PLC         
-R2C18:PLC         
-R2C19:PLC         
-R2C20:PLC         
-R2C21:PLC         
-R2C2:PLC          
-R2C3:PLC          
-R2C4:PLC          
-R2C5:PLC          
-R2C6:PLC          
-R2C7:PLC          
-R2C8:PLC          
-R2C9:PLC          
-R3C10:PLC         
-R3C11:PLC         
-R3C12:PLC         
-R3C13:PLC         
-R3C14:PLC         
-R3C15:PLC         
-R3C16:PLC         
-R3C17:PLC         
-R3C18:PLC         
-R3C19:PLC         
-R3C20:PLC         
-R3C21:PLC         
-R3C2:PLC          
-R3C3:PLC          
-R3C4:PLC          
-R3C5:PLC          
-R3C6:PLC          
-R3C7:PLC          
-R3C8:PLC          
-R3C9:PLC          
-R4C10:PLC         
-R4C11:PLC         
-R4C12:PLC         
-R4C13:PLC         
-R4C14:PLC         
-R4C15:PLC         
-R4C16:PLC         
-R4C17:PLC         
-R4C18:PLC         
-R4C19:PLC         
-R4C20:PLC         
-R4C21:PLC         
-R4C2:PLC          
-R4C3:PLC          
-R4C4:PLC          
-R4C5:PLC          
-R4C6:PLC          
-R4C7:PLC          
-R4C8:PLC          
-R4C9:PLC          
-R5C10:PLC         
-R5C11:PLC         
-R5C12:PLC         
-R5C13:PLC         
-R5C14:PLC         
-R5C15:PLC         
-R5C16:PLC         
-R5C17:PLC         
-R5C18:PLC         
-R5C19:PLC         
-R5C20:PLC         
-R5C21:PLC         
-R5C2:PLC          
-R5C3:PLC          
-R5C4:PLC          
-R5C5:PLC          
-R5C6:PLC          
-R5C7:PLC          
-R5C8:PLC          
-R5C9:PLC          
-R7C10:PLC         
-R7C11:PLC         
-R7C12:PLC         
-R7C13:PLC         
-R7C14:PLC         
-R7C15:PLC         
-R7C16:PLC         
-R7C17:PLC         
-R7C18:PLC         
-R7C19:PLC         
-R7C20:PLC         
-R7C21:PLC         
-R7C2:PLC          
-R7C3:PLC          
-R7C4:PLC          
-R7C5:PLC          
-R7C6:PLC          
-R7C7:PLC          
-R7C8:PLC          
-R7C9:PLC          
-R8C10:PLC         
-R8C11:PLC         
-R8C12:PLC         
-R8C13:PLC         
-R8C14:PLC         
-R8C15:PLC         
-R8C16:PLC         
-R8C17:PLC         
-R8C18:PLC         
-R8C19:PLC         
-R8C20:PLC         
-R8C21:PLC         
-R8C2:PLC          
-R8C3:PLC          
-R8C4:PLC          
-R8C5:PLC          
-R8C6:PLC          
-R8C7:PLC          
-R8C8:PLC          
-R8C9:PLC          
-R9C10:PLC         
-R9C11:PLC         
-R9C12:PLC         
-R9C13:PLC         
-R9C14:PLC         
-R9C15:PLC         
-R9C16:PLC         
-R9C17:PLC         
-R9C18:PLC         
-R9C19:PLC         
-R9C20:PLC         
-R9C21:PLC         
-R9C2:PLC          
-R9C3:PLC          
-R9C4:PLC          
-R9C5:PLC          
-R9C6:PLC          
-R9C7:PLC          
-R9C8:PLC          
-R9C9:PLC          
diff --git a/experiments/machxo2/center_mux/center_mux_diff.txt b/experiments/machxo2/center_mux/center_mux_diff.txt
deleted file mode 100644
index 8adfd23..0000000
--- a/experiments/machxo2/center_mux/center_mux_diff.txt
+++ /dev/null
@@ -1,47 +0,0 @@
-R1C13_JCLK0 -> R6C13_JPCLKCIBVIQT0
-
-R6C13_JPCLKCIBVIQT0 -> R6C13_PCLKCIBVIQT0
-
-R6C13_PCLKCIBVIQT0 -> R6C13_VPRXCLKI0
-CENTER8:CENTER7               F25B0
-CENTER9:CENTER8               F0B0 F0B1 F1B1
-
-R6C13_VPRXCLKI0 -> R6C13_CLKI0_DCC
-
-R6C13_CLKI0_DCC -> R6C13_CLKO0_DCC
-
-R6C13_CLKO0_DCC -> R6C13_VPRX0000
-
-R6C13_VPRX0000 -> R6C8_HPSX0000
-CENTER6:CENTER_EBR_CIB        F23B0
-
-R6C13_VPRX0000 -> R6C18_HPSX0000
-CENTER6:CENTER_EBR_CIB        F23B1
-
-R6C13_JLPLLCLK1 -> R6C13_VPRXCLKI0
-CENTER8:CENTER7               F28B1
-CENTER9:CENTER8               F1B1
-
-R6C8_HPSX0000 -> R6C10_CLKI0B_DCC
-
-R6C10_CLKI0B_DCC -> R6C10_CLKO0B_DCC
-CIB_R6C10:CIB_EBR0            F26B31
-
-R6C14_CLKI0B_DCC -> R6C14_CLKO0B_DCC
-CIB_R6C14:CIB_EBR0            F26B31
-
-R6C13_JTCDIVX1 -> R6C13_VPRXCLKI5
-CENTER5:CENTER5               F25B0 F27B0
-
-R6C13_PCLKCIBMID2 -> R6C13_VPRXCLK60
-CENTER5:CENTER5               F25B0 F27B0
-
-R6C13_PCLKCIBMID3 -> R6C13_VPRXCLK61
-CENTER5:CENTER5               F25B0 F27B0
-
-R6C13_PCLKCIBMID2 -> R6C13_VPRXCLK71
-CENTER5:CENTER5               F25B0 F27B0
-
-R6C13_PCLKCIBMID3 -> R6C13_VPRXCLK70
-CENTER5:CENTER5               F25B0 F27B0
-