杭州交通信息网穿线盒直销:问一道IBM笔试题，主要是英文的意思理解不了
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E D C B A
C A D E B
A D B C E
B E D A C
D C A E B
Start at the fourth letter of Column 5 and follow the letters around the outside of the pattern in a clockwise direction. What is the second letter between the second E and the second B you come to?
这里面的
follow the letters around the outside of the pattern in a clockwise direction
是什么意思哦？
百思不得其解啊，沿着第5列的第4个字母C，在外面怎么顺时针转？转的话又怎么遇到第二个E和第二个B的？
C A D E B
A D B C E
B E D A C
D C A E B
Start at the fourth letter of Column 5 and follow the letters around the outside of the pattern in a clockwise direction. What is the second letter between the second E and the second B you come to?
这里面的
follow the letters around the outside of the pattern in a clockwise direction
是什么意思哦？
百思不得其解啊，沿着第5列的第4个字母C，在外面怎么顺时针转？转的话又怎么遇到第二个E和第二个B的？
我觉得答案可能是C，从C开始，顺时针得到的字母序列为：CBEACDBACEDCBABE
从R4C5->R5C5->R5C4->R5C3->...->R5C1->R4C1->...
（R=Row C=Column）