## On the Subject of Bordered Keys

These keys look a little different. Did they lose weight?

See Appendix in Ordered Keys for identifying modules in Ordered Keys family.

This module consists of 6 coloured keys, each of which is labelled with a coloured number, and a black reset button.

Highlighting each key reveals a coloured border and a number on the display.

The possible colours for the keys, their borders, and the numbers labelling them are: (R)ed, (G)reen, (B)lue, (C)yan, (M)agenta, and (Y)ellow.

Any of the numbers 1 - 6 may appear on each of the keys, and on the display when each key is highlighted.

The information given by each key is used to locate six cells within a 12×18 grid, each of which will have a value in the range 1 - 6.

These cells will be used to calculate the value of the key, which is in the range 1 - 6.

A key is valid if its value is equal to the number of pressed keys after each reset plus one.

After each reset, there is at least one valid key.

If none of the remaining keys are valid, push the black button to reset the remaining keys.

The module is solved if-

- all six keys have been pressed.
- the module has been reset once five keys have been pressed.

A strike will be issued if-

- an invalid key is pressed.
- the reset button is pressed when any remaining key is valid.