The codes you posted are all the same.
Try these,
sendir,<mod-addr>:<conn-addr>,1,38000,2,1,10,70,10,30,10,30,10,30,10,70,10,30,10,70,10,30,10,70,10,30,10,30,10,70,10,30,10,70,10,30,10,1657, 10,70,10,30,10,30,10,30,10,70,10,70,10,30,10,70,10,30,10,70,10,70,10,30,10,70,10,30,10,70,10,1657
sendir,<mod-addr>:<conn-addr>,2,38000,<repeatcount>,1,10,70,10,30,10,30,10,30,10,70,10,30,10,70,10,30,10,70,10,30,10,30,10,70,10,30,10,70,10,30,10,1657, 10,70,10,30,10,30,10,30,10,70,10,70,10,30,10,70,10,30,10,70,10,70,10,30,10,70,10,30,10,70,10,1657, 10,70,10,30,10,30,10,30,10,70,10,30,10,70,10,30,10,70,10,30,10,30,10,70,10,30,10,70,10,30,10,1657, 10,70,10,30,10,30,10,30,10,70,10,70,10,30,10,70,10,30,10,70,10,70,10,30,10,70,10,30,10,70,10,1657
sendir,<mod-addr>:<conn-addr>,3,38000,2,1,10,70,10,30,10,30,10,30,10,70,10,30,10,70,10,30,10,70,10,30,10,30,10,70,10,30,10,70,10,30,10,1657, 10,70,10,30,10,30,10,30,10,70,10,70,10,30,10,70,10,30,10,70,10,70,10,30,10,70,10,30,10,70,10,1657, 10,70,10,30,10,30,10,30,10,70,10,30,10,70,10,30,10,70,10,30,10,30,10,70,10,30,10,70,10,30,10,1657, 10,70,10,30,10,30,10,30,10,70,10,70,10,30,10,70,10,30,10,70,10,70,10,30,10,70,10,30,10,70,10,1657
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