Javanese scales.

   01 02 03 05 06 11 12 13 15 16 21 22 23 25 26 31 32 33 35 36 41 42 43 45 46
   gong---------->   kempul----------->            kenong----------->
               suwukan->
   11 12 13 15 16 21 22 23 25 26 31 32 33 35 36 41 42 43 45 46 51 52 53 55 56
                              kethuk                        pyang
                  slenthem------>saron demung-->saron barung-->peking-------->
               gender barung---------------------------->
               6..1. 2. 3. 5. 6. 1  2  3  5  6  1^ 2^ 3^
                              gender panerus--------------------------->
                              6..1. 2. 3. 5. 6. 1  2  3  5  6  1^ 2^ 3^
               gambang------------------------------------------------->
          (?)  6..1. 2. 3. 5. 6  1  2  3  5  6  1^ 2^ 3^ 5^ 6^ 1^^2^^3^^
   11 12 13 15 16 21 22 23 25 26 31 32 33 35 36 41 42 43 45 46 51 52 53 55 56
                     siter------------------------------>
                                 bonang barung---------------->
                                                bonang panerus--------------->