Inc, 223 F.3d 12 (1st Cir.2000) (finding no closed-ended continuity where 17 predicate acts of wire and mail fraud occurred over 21-month period); Cofacredit. S.A. v. Windsor Plumbing SupnlY Co., 187 F.3d 229, 242 (2d Cir.1999) (stating that the Second Circuit "has never held a period of less than two ye

la.)) approximately six months "was accomplished in too short a period of time ... to qualify it as a pattern of racketeering activity"); see also Cofacredit, S.A. v. Windsor Plumbing Supply Co.. 187 F.3d 229, 242 (2d Cir.1999) (noting that the Second Circuit "has never held a period of less than two ye