'PSQ' means 'P is to the north of Q .
'P&Q' means 'P is to the east of Q' .
'P*Q' means 'Q is to the west of P' .
'P%Q' means 'Q is to the south of P .
'P@QR' means 'P stands exactly in the middle of horizontal line QR .
'P!QR' means 'P stands exactly in the middle of vertical line QR'.
Note: 'P6mSQ' means 'P is 6 m to the north of Q' and so on.
Find the shortest distance between G and C in the following expression.
C12mSS5m*G3m&J6m%K! JT
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