Therefore , these arguments apply to all solutions that obey the rules .
In our arguments , we have said nothing about exactly which walls the solution line crosses , the order in which it crosses them or where the line goes when it is outside a particular room .
These arguments apply to all solutions that obey the rules .
In our arguments , we have said nothing about exactly which walls the solution line crosses , the order in which it crosses them or where the line goes when it is outside a particular room .