Assume registers have been initialized so that R1 contains 0b10101010, R2 contains 0b01010101, R3 contains 0b11001100 and R4 contains 0b00110011. Restrict yourself to using only AND, OR, LSR, LSL and SWAP and a total of no more than 13 instructions to write a program that reorders the bits in R0 such that upon completion all initial 8 bits are stored in bit-reversed order within R0.

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Write a function balancechemical to balance chemical reactions by solving a linear set of equations. the inputs arguments are: reagents: symbols of reagents in string row array products: symbols of products in string row array elements: elements in the reaction in string row array elcmpreag: elemental composition of reactants in two dimensional numeric array elcmpprdcts: elemental composition of prducts in two dimensional numeric array hint: the first part of the problem is setting up the set of linear equations that should be solve. the second part of the problem is to find the integers from the solution. one way to do this is to mulitiply the rational basis for the nullspace by increasing larger integers until both the left-and right-side integers exist. for example, for the reaction that involves reacting with to produce and : reagents=["ch4", "o2"]; products =["co2", "h2o"]; elements =["c","h", "o"] elcmpreag=[1,4,0;