Где можно легче заточиться:
upgrade to +1: (149, 960)
upgrade to +2: (250, 974)
Upgrade to +3: (112, 306); (325, 973); (373, 763); (499, 963); (391,518)
Upgrade to +4: (539, 954); (210, 310); (450, 568)
Upgrade to +5: (666, 968); (581, 763); (430, 537); (320, 332)
Upgrade to +6: (119, 641); (275, 845)
Upgrade to +7: (645, 565); (372, 618); (332, 826)
Upgrade to +8: (183, 474); (422, 645)
Upgrade to +9: (216, 413); (677, 616); (564, 877)
Upgrade to +10: (126, 590)
Upgrade to +11: (206, 535); (129, 754)
Upgrade to +12: (236, 781); (314, 586)

Лично мною проверено до +6

* rulezzz's блог