M1L: Insert
                            left needle from front to back under the horizontal
                            strand which lies between the st just worked,
                            and the next st. Knit into the back of this
                            loop.
 
                          M1R: Insert left needle from back to front
                            under the horizontal strand which lies between
                            the st just worked, and the next st. Knit into
                            the front of this loop.
 
                          S2KP: Slip next 2 sts to right needle as if
                            to knit them together; k next st, pass both
                            slipped stitches, together, over stitch just
                        knit. Forms a centered double decrease. 
                          
                          
                          
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