This describes the OrangeMaze#1 that
ultimately leads to the "white castle":
 I=in  @ (-10,0) = (z,x) (from exterior)
GH=out @ (7,10) & (7,-10) (to lab8)

27dec17 update:
H = connection to lab8
...DELETE G as exit!


-------- +Z
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+X



   -098765432101234567890+
-------------------------
0      *      I      *
9 A    *             *    D
8   ** *  *********  * **
7 B    *      *      *    E
6   **** **   *   ** ****
5   **** **   *   ** ****
4 C      **   *   **      F
3   ******* * * * *******
2 D         * * *         A
1   ***   *** * ***   ***
0 E       *   k   *       B
1   ***** * ***** * *****
2   ***** * *   * * *****
3 F     * * * * * * *     C
4   *** * * * * * * * ***
5   *** *   * * *   * ***
6       ***** * *****
7             *           H
8       ***** * *****
9       *     *     *
0       *     *     *

-------------------------
   -098765432101234567890+

