| 72 db | C | D

| 0 db

| 72 db | C | C

| 0 db

| 72 db | | D

| 71 db | B | B

| 71 db | | C

| 71 db | D | C

| 72 db | | D

| 0 db

| 71 db | | C

| 71 db | | C

| 72 db | | C

| 73 db | B | C

| 0 db

| 72 db | C | D

| 74 db | | C

| 72 db | | D

| 71 db | | C

| 72 db | D | D

| 72 db | | D

| 72 db | D | C

| 72 db | | C

| 72 db | | C