input: hm2019
SBCH selected.
B2 selected.
SEQH selected.
D4 selected.
TBCH selected.
C2 selected.
TBCO selected.
A2 selected.
SEQO selected.
A1 selected.
TEQO selected.
A4 selected.
SBCO selected.
A3 selected.

    1    2    3    4
  +----+----+----+----+
a |    |    |    |    |
  |    |    |    |    |
  +----+----+----+----+
b |    |    |    |    |
  |    |    |    |    |
  +----+----+----+----+
c |    |    |    |    |
  |    |    |    |    |
  +----+----+----+----+
d |    |    |    |    |
  |    |    |    |    |
  +----+----+----+----+

Available:
SB SB SB SB SE SE SE SE TB TB TB TB TE TE TE TE 
CH CO QH QO CH CO QH QO CH CO QH QO CH CO QH QO 

Player 1's turn to select a piece:
Enter a piece:SBCH selected.

Player 2's turn to select a square:
B2 selected.

    1    2    3    4
  +----+----+----+----+
a |    |    |    |    |
  |    |    |    |    |
  +----+----+----+----+
b |    | SB |    |    |
  |    | CH |    |    |
  +----+----+----+----+
c |    |    |    |    |
  |    |    |    |    |
  +----+----+----+----+
d |    |    |    |    |
  |    |    |    |    |
  +----+----+----+----+

Available:
SB SB SB SE SE SE SE TB TB TB TB TE TE TE TE 
CO QH QO CH CO QH QO CH CO QH QO CH CO QH QO 

Player 2's turn to select a

    1    2    3    4
  +----+----+----+----+
a |    |    |    |    |
  |    |    |    |    |
  +----+----+----+----+
b |    |    |    |    |
  |    |    |    |    |
  +----+----+----+----+
c |    |    |    |    |
  |    |    |    |    |
  +----+----+----+----+
d |    |    |    |    |
  |    |    |    |    |
  +----+----+----+----+

Available:
SB SB SB SB SE SE SE SE TB TB TB TB TE TE TE TE
CH CO QH QO CH CO QH QO CH CO QH QO CH CO QH QO

Player 1's turn to select a piece:
Enter a piece:SBCH selected.

Player 2's turn to select a square:
B2 selected.

    1    2    3    4
  +----+----+----+----+
a |    |    |    |    |
  |    |    |    |    |
  +----+----+----+----+
b |    | SB |    |    |
  |    | CH |    |    |
  +----+----+----+----+
c |    |    |    |    |
  |    |    |    |    |
  +----+----+----+----+
d |    |    |    |    |
  |    |    |    |    |
  +----+----+----+----+

Available:
SB SB SB SE SE SE SE TB TB TB TB TE TE TE TE
CO QH QO CH CO QH QO CH CO QH QO CH CO QH QO

Player 2's turn to select a pi