Shunting Puzzle Operation

On the Inglenook South shunting puzzle, five coloured counters out of a total of eight, are drawn at random and placed from left to right in the order they are picked out. This is the order that the wagons need to be formed, in the siding that accommodates the five wagons.

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This picture shows a selection of the counters that can be used. In this picture, purple and red are duplicated, these duplicates are removed before the sorting and selection of colours commences.

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Five colours are drawn at random from the collection, in this example, yellow, black, green, purple and red have been selected, white, orange and blue are unselected.

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The game begins with the wagons in random positions, in this case the top siding (capacity five wagons) is occupied by blue and green. The middle siding (capacity three wagons) is occupied by red, orange and black. The bottom siding (capacity three wagons) is occupied by white, yellow and purple. The shunter, in this case 09019 is positioned in the head shunt (capacity loco and three wagons).

As yellow is on the far left hand side, this colour needs to be positioned closest to the buffer stops on the top siding and will need to be formed first. The shunter moves from the head shunt to the bottom siding to collect wagons yellow and purple.

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The shunter, coupled to wagons yellow and purple, moves from the bottom siding and into the head shunt.

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The shunter then moves from the head shunt into the top siding to collect the green wagon.

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The shunter, green, yellow and purple wagons then move from the top siding to the head shunt.

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The shunter, green, yellow and purple wagons then move from the head shunt to the bottom siding to detach the green wagon.

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The shunter, yellow and purple wagons then move from the bottom siding to the head shunt.

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The shunter, yellow and purple wagons then move from the head shunt to the top siding to collect the blue wagon.

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The shunter, blue, yellow and purple wagons then move from the top siding to the head shunt.

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The shunter, blue, yellow and purple wagons then move from the head shunt to the bottom siding and detach the blue wagon in the bottom siding.

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The shunter, yellow and purple wagons then move from the bottom siding to the head shunt.

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The shunter, yellow and purple wagons then move from the head shunt to the top siding and detach the yellow wagon. The first wagon of the five in the puzzle is now complete.

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The shunter and purple wagon then move from the top siding to the head shunt.

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The shunter and purple wagon then move from the head shunt to the middle siding to collect the black wagon.

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The shunter, black and purple wagon then move from the middle siding to the head shunt.

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The shunter, black and purple wagon then move from the head shunt to the top siding and detach the black wagon. The second wagon of the five in the puzzle is now complete.

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The shunter and purple wagon move from the top siding to the head shunt.

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The shunter and purple wagon then move from the head shunt to the bottom siding to collect the green and blue wagons.

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The shunter, green blue and purple wagons move from the bottom siding to the head shunt.

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The shunter, green blue and purple wagons move from the head shunt to the top siding and detach the green wagon. The third wagon of the five in the puzzle is now complete.

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The shunter, blue and purple wagons move from the top siding to the head shunt.

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The shunter, blue and purple wagons move from the head shunt to the bottom siding where the blue wagon is detached.

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The shunter and purple wagon move from the bottom siding to the head shunt.

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The shunter and purple wagon move from the head shunt to the top siding where the purple wagon is detached. The fourth wagon of the five in the puzzle is now complete.

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The shunter moves from the top siding to the head shunt.

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The shunter moves from the head shunt to the middle siding to collect the red and orange wagons.

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The shunter, red and orange wagons move from the middle siding to the head shunt.

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The shunter, red and orange wagons move from the head shunt to the top siding where the red wagon is detached. The fifth and final wagon of the five wagon puzzle is in position and the puzzle is nearly complete.

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The shunter and orange wagon moves from the top siding to the head shunt.

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The shunter and orange wagon move from the head shunt to the middle siding where the orange wagon is detached.

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The shunter moves from the middle siding to the head shunt to complete the puzzle, finishing at the location it started.

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The counters pictured inside the wagons to show the final completed sequence of the puzzle.

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A view of the entire shunting puzzle including the head shunt.

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