abx1bcax1bcx1cbbx1acx1cabx1aax1adddx1dax1ddcx1addcx1aaadx1eeffx1fffeex1ex1ax1bdx1ddx1abx1ax1abx1bcax1bcx1bx1bcx1bbx1acx1bx1acx1abx1aax1dx1aax1ddx1aax1dddx1aax1adddx1dax1dcx1dax1ddcx1addcx1dx1addcx1adx1addcx1aadx1addcx1aaadx1eeffx1ex1eeffx1eex1ex1ax1bdx1ddx1trueeeffx1eex1eeffx1ex1true1e1810e1211f1110d1012c1110a1011b1110eeffx1eex11e1110e1310f1111d1010c1010a1310b1310ex1ax1falseabx1ax1acx1abx1aax1adddx1addcx1adx1addcx1aadx1addcx1aaadx1trueaddcx1dx1falseaax1dddx1falseaax1ddx1falseaax1dx1falseacx1bx1falseabx1bcax1falsebcx1bx1bcx1bbx1truebdx1ddx1falsedax1ddcx1falsedax1dcx1false