R1:=(CLOSE>REF(CLOSE,1) AND CLOSE>REF(CLOSE,2));
R2:=(REF(R1,1) AND CLOSE<=REF(CLOSE,1) AND CLOSE>=REF(CLOSE,2));
R3:=(REF(R2,1) AND CLOSE>=REF(CLOSE,1) AND CLOSE<=REF(CLOSE,2));
R4:=(REF(R3,1) AND CLOSE<=REF(CLOSE,1) AND CLOSE>=REF(CLOSE,2));
R5:=(REF(R4,1) AND CLOSE>=REF(CLOSE,1) AND CLOSE<=REF(CLOSE,2));
R6:=(REF(R5,1) AND CLOSE<=REF(CLOSE,1) AND CLOSE>=REF(CLOSE,2));
R7:=(REF(R6,1) AND CLOSE>=REF(CLOSE,1) AND CLOSE<=REF(CLOSE,2));
R8:=(REF(R7,1) AND CLOSE<=REF(CLOSE,1) AND CLOSE>=REF(CLOSE,2));
R9:=(REF(R8,1) AND CLOSE>=REF(CLOSE,1) AND CLOSE<=REF(CLOSE,2));
RA:=(REF(R9,1) AND CLOSE<=REF(CLOSE,1) AND CLOSE>=REF(CLOSE,2));
RB:=(REF(RA,1) AND CLOSE>=REF(CLOSE,1) AND CLOSE<=REF(CLOSE,2));
RC:=(REF(RB,1) AND CLOSE<=REF(CLOSE,1) AND CLOSE>=REF(CLOSE,2));
RD:=(CLOSE
RF:=(REF(RE,1) AND CLOSE<=REF(CLOSE,1) AND CLOSE>=REF(CLOSE,2));
R10:=(REF(RF,1) AND CLOSE>=REF(CLOSE,1) AND CLOSE<=REF(CLOSE,2));
R11:=(REF(R10,1) AND CLOSE<=REF(CLOSE,1) AND CLOSE>=REF(CLOSE,2));
R12:=(REF(R11,1) AND CLOSE>=REF(CLOSE,1) AND CLOSE<=REF(CLOSE,2));
R13:=(REF(R12,1) AND CLOSE<=REF(CLOSE,1) AND CLOSE>=REF(CLOSE,2));
R14:=(REF(R13,1) AND CLOSE>=REF(CLOSE,1) AND CLOSE<=REF(CLOSE,2));
R15:=(REF(R14,1) AND CLOSE<=REF(CLOSE,1) AND CLOSE>=REF(CLOSE,2));
R16:=(REF(R15,1) AND CLOSE>=REF(CLOSE,1) AND CLOSE<=REF(CLOSE,2));
R17:=(REF(R16,1) AND CLOSE<=REF(CLOSE,1) AND CLOSE>=REF(CLOSE,2));
R18:=(REF(R17,1) AND CLOSE>=REF(CLOSE,1) AND CLOSE<=REF(CLOSE,2));
短买春:REF(RD OR RE OR RF OR R10 OR R11 OR R12 OR R13 OR R14 OR R15 OR R16 OR R17 OR R18,1) AND R1;
