abcdefghijklmnop
1    ◣     ◢   
2    ◥▄ ▄◤   
3   ▕ ◥﹑ ▋   
4  ▂  ◣ ◢ ◢◤
5 ▂▼◥ @ ◢◤◤
6▅ ▋\  ◢◤◤\ 

 abcdefghijklmnop
1    ◣     ◢   
2    ◥▄ ▄◤   
3   ▕ ◥﹑ ▋   
4  ▂  ◣ ◢ ◢◤
5 ▂▼◥ @ ◢◤◤
6▆ ▋\  ◢◤◤/ 

 一:2i  二:6o  三:6ab