Move between different fingers without carrying the hand away from 4-5-6.

Let each finger complete its own reach and return before the next column changes.

练习输入: column changes, finger independence

目标: 99.00% 准确率.

Alternating Columns Guided Entry: 159 357 951 753 168 249 357 468 579 681 792 813

Alternating Columns Accuracy Review: 147 369 258 951 357 159 276 483 618 729 834 945 156 267