c1 = sparse(276,1); c1(29)=25; c1(30)=25; c1(31)=25; c1(32)=25; c1(33)=25; c1(34)=25; c1(35)=25; c1(36)=25; c1(37)=25; c1(38)=25; c1(39)=25; c1(40)=25; c1(41)=25; c1(42)=25; c1(43)=25; c1(44)=25; c1(45)=25; c1(46)=25; c1(47)=25; c1(48)=25; c1(49)=25; c1(50)=25; c1(51)=25; c1(52)=25; c1(53)=25; c1(54)=25; c1(55)=25; c1(56)=25; c1(57)=50; c1(58)=50; c1(59)=50; c1(60)=50; c1(61)=50; c1(62)=50; c1(63)=50; c1(64)=50; c1(65)=50; c1(66)=50; c1(67)=50; c1(68)=50; c1(69)=50; c1(70)=50; c1(71)=50; c1(72)=50; c1(73)=50; c1(74)=50; c1(75)=50; c1(76)=50; c1(85)=25; c1(86)=25; c1(87)=25; c1(88)=25; c1(89)=25; c1(90)=25; c1(91)=25; c1(92)=25; c1(93)=50; c1(94)=50; c1(95)=50; c1(96)=50; c1(97)=50; c1(98)=50; c1(99)=50; c1(100)=50; c1(101)=25; c1(102)=25; c1(103)=25; c1(104)=25; c1(105)=25; c1(106)=25; c1(107)=25; c1(108)=25; c1(109)=25; c1(110)=25; c1(111)=25; c1(112)=25; c1(113)=25; c1(114)=25; c1(115)=25; c1(116)=25; c1(117)=25; c1(118)=25; c1(119)=25; c1(120)=25; c1(121)=25; c1(122)=25; c1(123)=25; c1(124)=25; c1(125)=25; c1(126)=25; c1(127)=25; c1(128)=25; c1(129)=50; c1(130)=50; c1(131)=50; c1(132)=50; c1(133)=50; c1(134)=50; c1(135)=50; c1(136)=50; c1(137)=50; c1(138)=50; c1(139)=50; c1(140)=50; c1(141)=50; c1(142)=50; c1(143)=50; c1(144)=50; c1(145)=50; c1(146)=50; c1(147)=50; c1(148)=50; c1(149)=50; c1(150)=50; c1(151)=50; c1(152)=50; c1(153)=50; c1(154)=50; c1(155)=50; c1(156)=50; c1(157)=75; c1(158)=75; c1(159)=75; c1(160)=75; c1(161)=75; c1(162)=75; c1(163)=75; c1(164)=75; c1(165)=75; c1(166)=75; c1(167)=75; c1(168)=75; c1(169)=75; c1(170)=75; c1(171)=75; c1(172)=75; c1(173)=75; c1(174)=75; c1(175)=75; c1(176)=75; c1(177)=25; c1(178)=25; c1(179)=25; c1(180)=25; c1(181)=25; c1(182)=25; c1(183)=25; c1(184)=25; c1(185)=50; c1(186)=50; c1(187)=50; c1(188)=50; c1(189)=50; c1(190)=50; c1(191)=50; c1(192)=50; c1(193)=75; c1(194)=75; c1(195)=75; c1(196)=75; c1(197)=75; c1(198)=75; c1(199)=75; c1(200)=75; c1(201)=50; c1(202)=50; c1(203)=50; c1(204)=50; c1(205)=50; c1(206)=50; c1(207)=50; c1(208)=50; c1(209)=50; c1(210)=50; c1(211)=50; c1(212)=50; c1(213)=50; c1(214)=50; c1(215)=50; c1(216)=50; c1(217)=50; c1(218)=50; c1(219)=50; c1(220)=50; c1(221)=50; c1(222)=50; c1(223)=50; c1(224)=50; c1(225)=50; c1(226)=50; c1(227)=50; c1(228)=50; c1(229)=75; c1(230)=75; c1(231)=75; c1(232)=75; c1(233)=75; c1(234)=75; c1(235)=75; c1(236)=75; c1(237)=75; c1(238)=75; c1(239)=75; c1(240)=75; c1(241)=75; c1(242)=75; c1(243)=75; c1(244)=75; c1(245)=75; c1(246)=75; c1(247)=75; c1(248)=75; c1(249)=75; c1(250)=75; c1(251)=75; c1(252)=75; c1(253)=75; c1(254)=75; c1(255)=75; c1(256)=75; c1(257)=100; c1(258)=100; c1(259)=100; c1(260)=100; c1(261)=100; c1(262)=100; c1(263)=100; c1(264)=100; c1(265)=100; c1(266)=100; c1(267)=100; c1(268)=100; c1(269)=100; c1(270)=100; c1(271)=100; c1(272)=100; c1(273)=100; c1(274)=100; c1(275)=100; c1(276)=100;