(? 2 + 2) 211 = 5 ? 2 +3 ? +6
(? 2 + 2) 212 = 4 ? 2 +5 ? +2
(? 2 + 2) 213 = 6 ? 2 + ? +6
(? 2 + 2) 214 = 5 ? 2 +2 ? +4
(? 2 + 2) 215 = 2 ? 2 +4 ? +6
(? 2 + 2) 216 = ? 2 span> +2 ? +1
(? 2 + 2) 217 = 2 ? 2 + ?
(? 2 + 2) 218 = 2 ? 2 +6 ? +6
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