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(-2)*1*1*1*1 + 2*1*1*0*1 + (-2)*1*0*1*1 + 4*1*0*0*1 + 0*0*1*1*1 + 2*0*1*0*1 + (-1)*0*0*1*1 + (-2)*0*0*0*1 + 9*1*1*1*(-2) + (-2)*1*1*0*(-2) + (-2)*1*0*1*(-2) + (-1)*1*0*0*(-2) + 0*0*1*1*(-2) + (-2)*0*1*0*(-2) + 2*0*0*1*(-2) + 0*0*0*0*(-2)
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