| 71 db | B | B

| 72 db | B | B

| 70 db | A | A

| 0 db

| 70 db | B | B

| 72 db | A | C

| 72 db | | C

| 71 db | A | B

| 72 db | B | C

| 69 db | A | A

| 0 db

| 71 db | C | D

| 70 db | | A

| 72 db | D | D

| 72 db | D | B

| 72 db | D | D

| 71 db | | A

| 0 db

| 0 db

| 0 db

| 0 db

| 72 db | | C

| 71 db | | C

| 70 db | B | B