Who is free at 4:30 PM?
3 barbers can do Shape-up then, in the shop's own order.
No preference takes the lightest book of the 3 barbers open at 4:30 PM, so the work spreads across the shop instead of piling onto one chair.
3 barbers can do Shape-up then, in the shop's own order.
No preference takes the lightest book of the 3 barbers open at 4:30 PM, so the work spreads across the shop instead of piling onto one chair.