Methods, apparatus and systems for providing a sub-symbol arrangement to a wagering game machine for triggering a bonus game are described. Fins which are joined to the tubes. Each of the set of page layout constraints is a member of only one of the groups. The control register is supplied with an output signal of the comparator, and stores two or larger bits of digital control information. 5% of second silicone and 25% of dimethicone; the glass sand is composed of particles with diameter of 75\xb125 \u03bcm and 125\xb125 \u03bcm by proportion of 1:9.