fttxfisNatxsxisNatsxisNatxisNat0tt2.0f0000s1s0isNat1isNat0isNat1tt0tt0tt1ftt0x3tt1x3fisNat0x5x6isNat1x5x6fisNatsxx1fisNatxx1fisNat0x2fttx2tt1xisNat1xs0xisNat0s0xisNat0xisNat000tt0isNat1s0xx1isNat1xx1isNat100x2tt1x2ftt0x3tt1x3fisNat0x5x6isNat1x5x6tt1xisNat1xs0xisNat0s0xisNat0xisNat1s0xx1isNat1xx1isNat100x2tt1x2ftt0x3tt1x3fisNat0x5x6isNat1x5x6trueisNat0s0xisNat0xtrueisNat011ftt0x3tt1x3falsefisNat0x5x6isNat1x5x6falseisNat1s0xx1isNat1xx1isNat100x2tt1x2tt1xisNat1xs0xtrue