5th: 3 treble at the top of the seven treble of last round, ch. 4, work 1 treble in the centre of the three chain of last round, ch. 4, and repeat round, plain 1, and fasten off.
6th: 3 treble at the top of the five treble of last round, ch. 5, work 1 treble at the top of the one treble of last round, ch. 2, work 1 treble in the same loop as before, chain 5, and repeat round, plain 1, and fasten off.
7th: 2 treble at the top of the three treble of last round, ch. 6, work 7 treble in the two chain of last round, ch. 6, and repeat round, plain 1, and fasten off.
8th: 1 treble at the top of the two treble of last round, ch. 8, work 7 treble at the top of the seven treble of last round, ch. 8, and repeat round, plain 1, and fasten off.
9th: 3 treble at the top of the one treble of last round, ch. 9, work 5 treble at the top of the seven treble of last round, ch. 9, and repeat round, plain 1, and fasten off.
10th: 3 treble at the top of the three treble of last round, ch. 11, work 3 treble at the top of the five treble of last round, ch. 11, and repeat round, plain 1, and fasten off.
11th: 2 treble at the top of the three treble of last round, ch. 13, and repeat round, plain 1, and fasten off.
12th: 1 treble at the top of the two treble of last round, ch. 15, and repeat round, plain 1, and fasten off.
13th: 1 treble at the top of the one treble of last round, ch. 2, work 1 treble in the same loop as before, ch. 13, and repeat round, plain 1, and fasten off.
14th: 9 treble in the centre of the two chain of last round, ch. 12, and repeat round, plain 1, and fasten off.