進階數獨：三段棕帶
[NT 59711] by:
賴斯(Rios, Michael)
([NT 1579] Language materials, printed)
, [著]
進階數獨：一段白帶
[NT 59711] by:
賴斯(Rios, Michael)
([NT 1579] Language materials, printed)
, [著]
進階數獨：二段綠帶
[NT 59711] by:
賴斯(Rios, Michael)
([NT 1579] Language materials, printed)
, [著]