public MulRKRecord(RecordInputStream in) {field_1_row = in.readUShort();field_2_first_col = in.readShort();field_3_rks = RkRec.parseRKs(in);field_4_last_col = in.readShort();}

public MulRKRecord(RecordInputStream in1){field_1_row = in1.ReadUShort();field_2_first_col = in1.ReadShort();field_3_rks = RkRec.ParseRKs(in1);field_4_last_col = in1.ReadShort();}
