mridangam:
    0:4     1       2       3       X       O       X       O       |
0:  ktpkpto ktpkpto ktpkpto ktpkpto ktpkpto ktpkpto ktpkpto n ktpkpt
  > o ktpkpto ktpkpto ktpkpto ktpkpto ktpkpto ktpkpto n ktpkpto ktpk
  > pto ktpkpto ktpkpto ktpkpto ktpkpto ktpkpto n ktpkpto ktpkpto kt
  > pkpto ktpkpto ktpkpto ktpkpto ktpkpto n ktpkpto ktpkpto ktpkpto
    0:4     1       2       3       X|
  > ktpkpto ktpkpto ktpkpto ktpkpto D