A circular blue spot of 30 centimeters in diameters shall be painted in the exact center of the ice surface. 4.5 meters from this spot shall be painted, also in blue, a circular line of 5 centimeters in width.

NOTE: MEASUREMENTS IN FEET AND INCHES ARE:
a) 30 centimeters = 12 in.
b) 5 centimeters = 2 in.
c) 4.5 meters = 14 ft 9 in.