This is the add line block.  It will add
               a "junk line" to the players field that you choose.
 

This is the clear line block.  It clears the line
farthest to the bottom in the playing field.
 

This removes all blocks from a playing
field giving the player a fresh start.
 

This removes 10 random blocks from
a player's field.


 

This switches your playing field with
               another player's field depending on which
               player number you pressed.  If either of
               the fields' block stack is over 16 blocks
               high, the stack will be lowered.

This removes all special blocks from
               a players field.


 

This "gravity" block takes all the blocks
               on the field and "pulls" them all towards
               the bottom of the field eliminating any
               gaps in the blockstack.


 

This causes each of the lines of blocks
               on a players field to randomly shift left
               or right or not at all.


 

This is the block bomb, when used on a
               player, it clears 3x3 portions on their
               field anywhere there are 'o' blocks.
               Any blocks that were in the 3x3 areas
               are scattered around the field.
 

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