自定义序列ui调整，支持新增的1~3连块和随机生成一包

parts/language/lang_en.lua

@@ -442,17 +442,10 @@ return{
 
 			sequence="Sequence",
 
-			Z="Z",S="S",J="J",L="L",T="T",O="O",I="I",
-			Z5="Z5",S5="S5",P="P",Q="Q",F="F",E="E",T5="T5",U="U",
-			V="V",W="W",X="X",J5="J5",L5="L5",R="R",Y="Y",N="N",H="H",I5="I5",
-			I3="I3",C="C",I2="I2",O1="O1",
-			left="←",
-			right="→",
-			ten="→→",
-			backsp="<X",
-			reset="R",
-			copy="Copy",
-			paste="Paste",
+			Z="Z",S="S",J="J",L="L",T="T",O="O",I="I",left="←",right="→",ten="→→",backsp="<X",reset="R",
+			Z5="Z5",S5="S5",P="P",Q="Q",F="F",E="E",T5="T5",U="U",I3="I3",C="C",rnd="R",
+			V="V",W="W",X="X",J5="J5",L5="L5",R="R",Y="Y",N="N",H="H",I5="I5",I2="I2",O1="O1",
+			copy="Copy",paste="Paste",
 		},
 		custom_mission={
 			title="Custom Game",