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                   Smooth Crystal Tunnel                                           
                                                                                   
     Level 1       Level 2       Level 3       Level 4                             
   +---------+   +---------+   +---------+   +---------+   1 - Up, Down            
   |         |   |         |   |         |   |         |   2 - Up (One-Way), Down  
   | U-U U-U |   | % D-D>D |   | D-U U U |   | *-D D-D |   % - Up/Down             
   |   V   | |   |         |   | V   | | =   | |       |   > - East (One-Way>      
   | *-*-*<u |   | U-*-*-D |   | D-L U L-*  | *-*-D   |   < - West (One-Way)      
   | |   | V |   = V       |   |   | V   =   |   V     |   V - South (One-Way)     
   | *-* * U |    *-* U-D |   | %<d-D 1 |   | D>*-1   |   u - Up (One-Way)        
   |   | | | |   =   |     |   | |     | |   | | |     |   d - Down (One-Way)      
   | U-L U U |   | %>U<D-2 |   | D D-U U |   | L-d>D-D |                           
   |         |   |         |   |         |   |         |                           
   +---------+   +---------+   +---------+   +---------+                           
                                                                                   
   West->East:                                                                     
   E,S,U,E,U,E,D,N,U,W,S,W,N,D,S,D,D,E,N,W,N,E,E,S,S,U,E,D,N,U,W,                  
   U,W,N,W,D,E,E,E,D,N,W,U,W,D,W,U,U,E,U,W,S,E,E,D,N,U,E,D,S,E                     
                                                                                   
   West->East:                                                                     
   W,N,U,W,D,S,S,W,D,S                                                             
                                                                                   
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