param: EqIndex: eqleft := splitS S splitS0A S0 splitS0A1A S0A1 splitS0A2A S0A2 splitS0B S0 splitS0B1A S0B1 splitS0C S0 splitS0C2B S0C2 splitS1A S1 splitS1A0A S1A0 splitS1B S1 splitS1B0A S1B0 splitS1B3A S1B3 splitS1C S1 splitS1C3A S1C3 splitS2A S2 splitS2A3A S2A3 splitS2B S2 splitS2B0B S2B0 splitS2C S2 splitS2C0A S2C0 splitS2C3A S2C3 splitS3A S3 splitS3A1A S3A1 splitS3A2A S3A2 splitS3B S3 splitS3B2B S3B2 splitS3C S3 splitS3C1B S3C1 ;