*** when the marker delay is 1 ***

id 0: intl
id 1: intl
id 2: intl
id 0: send: (0->1)
id 0: intl
id 1: send: (1->2)
id 1: intl
id 2: intl
id 2: send: (2->0)
id 1: save state
id 1: mark: (1->0)
id 1: mark: (1->2)
id 1: save channel: (0->1)
id 0: save state
id 0: mark: (0->1)
id 0: mark: (0->2)
id 0: done channel: (1->0)
id 0: save channel: (2->0)
id 0: send: (0->1)
id 1: done channel: (0->1)
id 1: recv : (0->1)
id 2: save state
id 2: mark: (2->0)
id 2: mark: (2->1)
id 2: done channel: (0->2)
id 0: done channel: (2->0)
id 1: done channel: (2->1)
id 1: intl
id 2: save channel: (1->2)
id 2: done channel: (1->2)