finished tour65

Signed-off-by: Kouhei Maeda <mkouhei@palmtb.net>
finished tour66

Signed-off-by: Kouhei Maeda <mkouhei@palmtb.net>
finished tour67

Signed-off-by: Kouhei Maeda <mkouhei@palmtb.net>
finished tour68

Signed-off-by: Kouhei Maeda <mkouhei@palmtb.net>