Text this: A study of $$C\!P$$ C P violation in the decays $${{B} ^\pm } \rightarrow [{{K} ^+} {{K} ^-} {{\uppi } ^+} {{\uppi } ^-} ]_{D} h^{\pm }$$ B ± → [ K + K - π + π - ] D h ± ( $$h = K, \pi $$ h = K , π ) and $${{B} ^\pm } \rightarrow [{{\uppi } ^+} {{\uppi } ^-} {{\uppi } ^+} {{\uppi } ^-} ]_{D} h^{\pm }$$ B ± → [ π + π - π + π - ] D h ±