| 71 db | | A

| 70 db | | C

| 69 db | | D

| 70 db | D | B

| 72 db | B | A

| 72 db | D | B

| 71 db | B | A

| 73 db | D | B

| 72 db | | A

| 0 db

| 70 db | | C

| 71 db | D | D

| 69 db | C | D

| 72 db | D | D

| 70 db | | B

| 72 db | B | B

| 71 db | B | A

| 72 db | | A

| 73 db | | B

| 72 db | D | E

| 72 db | D | E

| 72 db | E | D

| 71 db | D | D

| 0 db