code: def mix_strategies(self) -> List[ShardingStrategy]:
      strategies = []
  
      # SS = SR x RS
      strategies.append(self.split_lhs_space_rhs_space(0, 1))
      strategies.append(self.split_lhs_space_rhs_space(1, 0))
  
      # SR = SS x SR
      strategies.append(self.split_lhs_space_both_contract(0, 1))
      strategies.append(self.split_lhs_space_both_contract(1, 0))
  
      # RR = RR x RR
      strategies.append(self.non_split())
  
      return strategies
  
imports: import operator
  from functools import reduce
  from typing import List
  from colossalai.auto_parallel.tensor_shard.options import SolverPerference
  from colossalai.auto_parallel.tensor_shard.sharding_strategy import CommType, MemoryCost, ShardingStrategy, TrainCycleItem
  from colossalai.auto_parallel.tensor_shard.utils import ignore_sharding_exception
  from colossalai.tensor.shape_consistency import CollectiveCommPattern
  from .strategy_generator import StrategyGenerator
label_desc: Use image node_id 5 for calling the LinearProjectionStrategyGenerator obj's underlying member method code with example usage: obj.mix_strategies() and returns: strategies