- !!python/list [1, 2, 3, 4]
- !!python/tuple [1, 2, 3, 4]
- !!python/dict {1: 2, 3: 4}
- !!python/dict
    !!python/tuple [0,0]: 0
    !!python/tuple [0,1]: 1
    !!python/tuple [1,0]: 1
    !!python/tuple [1,1]: 0