| 主权项 |
1. A non-transitory storage medium maintaining information readable by an electronic data processing circuit, the non-transitory storage medium comprising:
a first track including a first servo wedge, a second servo wedge, and a first user data region disposed between the first wedge and the second wedge, wherein the first user data region includes at least a first preamble pattern, a first group of data modified by a first pattern, and a second group of data modified by a second pattern; a second track adjacent to the first track, wherein the second track includes the first servo wedge, the second servo wedge, and a second user data region disposed between the first wedge and the second wedge, wherein the second user data region includes at least a second preamble pattern, a third group of data modified by the second pattern, and a fourth group of data modified by a third pattern such that the third group of data is not adjacent to the second group of data. |
