When excrement is directly in front during Shema and cannot be placed behind (due to an obstacle), may one turn one's face toward the west instead?

PrayerShema

Synopsis

If one cannot walk to place excrement behind them, may facing west (so excrement is to the side) serve as an alternative to walking laterally?

Early Acharonim
Late Acharonim
Lenient
Strict
Lesser cited
Major authority

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