▁have ▁a ▁s amba ▁( called ▁es cal era ▁in ▁this ▁game ) ▁and ▁at ▁least ▁one ▁other ▁can asta ▁to ▁go ▁out . ▁Red ▁th rees ▁only ▁count ▁positive ▁if ▁two ▁or ▁more ▁can ast as ▁have ▁been ▁m eld ed . ▁Black ▁th rees ▁are ▁negative ▁ 1 0 0 ▁instead ▁of ▁negative ▁ 5 ▁when ▁left ▁in ▁hand . ▁ ▁Brazil ian ▁Can asta ▁Similar ▁to ▁Boliv ia , ▁but ▁only ▁to ▁ 1 0 , 0 0 0 . ▁The ▁minimum ▁m eld ▁requirements ▁are ▁ 1 5 0 ▁from ▁ 5 , 0 0 0 ▁to ▁ 7 , 0 0 0 ; ▁a ▁can asta ▁from ▁ 7 , 0 0 0 ▁to ▁ 8 , 0 0 0 ; ▁ 2 0 0 ▁from ▁ 8 , 0 0 0 ▁to ▁ 9 , 0 0 0 ; ▁and ▁a ▁natural ▁can asta ▁from ▁ 9 , 0 0 0 ▁up . ▁Wild ▁card ▁can ast as ▁count ▁ 2 , 0 0 0 . ▁Part ners hips ▁receive ▁ 1 , 0 0 0 ▁for ▁five ▁red ▁th rees ▁and ▁ 1 , 2 0 0 ▁for ▁all ▁six . ▁If ▁a ▁side ▁has ▁a ▁sequence ▁of ▁five ▁cards ▁or ▁less , ▁it ▁los es ▁ 1 , 0 0 0 . ▁ ▁British ▁Can asta ▁Similar ▁to ▁the ▁original ▁rules ▁but ▁with ▁the ▁important ▁addition ▁of ▁' Ac aba ' ▁( Span ish ▁for ▁' The ▁End '). ▁A ▁player ▁may ▁say ▁this ▁at