RiffA
|--------------------------------------------------------------------------------|
|--------------------------------------------------------------------------------|
|----------3333333333----------5555555555----------3333335555----------5555444455|
|0000000000----------0000000000----------0000000000----------0000000000----------|
RiffB
|------------------------------------------------------------------------------|
|------------------------------------------------------------------------------|
|10101010101010101010101010101010-9-9-10101010101010101010101010101010-11-10-9-|
|------------------------------------------------------------------------------|
RiffC
|--------------------------------------------------------------------------------------|
|----------------------------------------------------------------------------5555------|
|7777777777-8888888888-5555555555-7777777777-7777777777-8888888888-5555555555----888877|
|--------------------------------------------------------------------------------------|
RiffD
|--------------------------|
|--------------------------|
|2222222-0000-3333-55555555|
|--------------------------|
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