This is betting 4 cold splits with a negative progression.

Trigger: Wait for one dozen to sleep for minimum 6 spins, then when this sleeping dozen hits bet the two unhit columnstreets with 4 splits.

Progression: negative 4 split progression,

progression 4 splits = 1.  1.  1.  1.  2.  2.  3.  4.  5.  6.  8.  10.  13.  17.  22 28 36 46 59

First test was played with 5u bets, and higest step in progression was 16 (28u bet)

Largest drop 2000u (that may be seen as very bad) but not considering if it was played with 5u bet then it would be 2000/5=400u with 1u chips. (if i figured it out right?)

Thanks for sharing Ignatus; you're one creative fellow [smiley]cxp/glasses.gif[/smiley]