--- a
+++ b/singlecellmultiomics/modularDemultiplexer/demultiplexModules/chromium_10x.py
@@ -0,0 +1,22 @@
+from singlecellmultiomics.modularDemultiplexer.baseDemultiplexMethods import UmiBarcodeDemuxMethod
+
+class chrom10x_c16_u12(UmiBarcodeDemuxMethod):
+    def __init__(self, barcodeFileParser, **kwargs):
+        self.barcodeFileAlias = '10x_3M-february-2018'
+        UmiBarcodeDemuxMethod.__init__(
+            self,
+            umiRead=0,
+            umiStart=16,
+            umiLength=12,
+            barcodeRead=0,
+            barcodeStart=0,
+            barcodeLength=16,
+            random_primer_read=None,
+            random_primer_length=None,
+            barcodeFileAlias=self.barcodeFileAlias,
+            barcodeFileParser=barcodeFileParser,
+            **kwargs)
+        self.shortName = 'CHROMC16U12'
+        self.longName = 'Chromium 10x, CB: 16bp, UMI: 12bp'
+        self.autoDetectable = False
+        self.description = 'R1 starts with a 16bp cell barcode followed by a 12bp UMI.'