Samlet kursmateriale for ved Rijnlands Lyceum Oegstgeest, delt av medstudenter.
► Je weet al dat de vier sferen
1.4
b3 h4
h2 b2
h2 b3
h2 b4
h2 b5
h2 b6
h2, b1
h3 b1
h3 b2
h3 b3
h3 b5
h3 b6
h4 b1
h4 b2
h4 b3
h4 b4
h4 b5
h4 b6
https://www.youtube.com/watch?v=-rt-vYAEIYw&list=PLr1tx9agautEO9U8QD_26om8SB7G18W47&index=6
https://www.youtube.com/watch?v=1wJhcKixw3g&list=PLr1tx9agautEO9U8QD_26om8SB7G18W47&index=3
https://www.youtube.com/watch?v=4PsatvDwvVA&list=PLr1tx9agautEO9U8QD_26om8SB7G18W47&index=5
https://www.youtube.com/watch?v=RYrEC6tvvkg&list=PLr1tx9agautEO9U8QD_26om8SB7G18W47&index=2
https://www.youtube.com/watch?v=s6GFHnLS5Ro&list=PLr1tx9agautEO9U8QD_26om8SB7G18W47&index=4
https://www.youtube.com/watch?v=z6KFFW8b3Nc&list=PLr1tx9agautEO9U8QD_26om8SB7G18W47&index=7
