You have to build bridges bet|ween the round islands top-down and from left to right so that in the end all islands are con|nected. Brid|ges must never cross each other. On each bridge there must be at least one lane but no more than two lanes. The num|bers on each island indicate with how many lanes this island should be con|nected to other islands in total. Draw one line for each lane on the bridges!