Buy 21-30 for 500 rub
Buy 21-50 for 1250 rub
Buy 21-100 for 2500 rub
Buy 31-40 for 500 rub
Buy 31-60 for 1250 rub
Buy 31-100 for 2250 rub
Buy 41-50 for 500 rub
Buy 41-70 for 1250 rub
Buy 41-100 for 2000 rub
Buy 51-60 for 500 rub
Buy 51-80 for 1250 rub
Buy 51-100 for 1750 rub
