1*6^2-7 1*6^4-7 1*6^6-7 1*6^8-7 1*6^9-7 1*6^10-7 1*6^2-5 1*6^3-5 1*6^4-5 1*6^1+5 1*6^2+5 1*6^4+5 1*6^7+5 1*6^10+5 1*6^1+7 1*6^2+7 1*6^3+7 1*6^4+7 1*6^6+7 5*6^1-1 5*6^2-1 5*6^6-1 5*6^7-1 5*6^11-1 5*6^1+1 5*6^2+1 5*6^4+1 7*6^1-1 7*6^2-1 7*6^3-1 7*6^1+1 7*6^6+1