| 70 db | | C

| 0 db

| 71 db | | B

| 72 db | C | C

| 72 db | | C

| 70 db | D | C

| 72 db | C | C

| 70 db | | B

| 70 db | | C

| 70 db | D | B

| 70 db | | D

| 70 db | | C

| 69 db | | C

| 70 db | C | C

| 72 db | C | C

| 70 db | D | C

| 70 db | D | D

| 70 db | C | C

| 71 db | | B

| 69 db | | C

| 70 db | D | D

| 71 db | | B

| 69 db | | C

| 70 db | | C