Subject :IMO Class : Class 5
Subject :IMO Class : Class 3
Ans 3:
Class : Class 6
there is a line in which no arrow is made so we will not count the routes that can be made from that line then answer is 3
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Subject :IMO Class : Class 6
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Subject :IMO Class : Class 6
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Subject :IMO Class : Class 5
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Subject :IMO Class : Class 6
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Subject :IMO Class : Class 4
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Subject :IMO Class : Class 5