Key bindings sublime

gistfile1.txt

[
    { "keys": ["j", "j"], "command": "exit_insert_mode",
        "context":
        [
            { "key": "setting.command_mode", "operand": false },
            { "key": "setting.is_widget", "operand": false }
        ]
    },
	{ "keys": ["ctrl+alt+a"], "command": "alignment" },
	{ "keys": ["ctrl+v"], "command": "paste_and_indent" },
    { "keys":  ["ctrl+shift+r"], "command": "reindent" , "args": {"single_line": false} },
    { "keys": ["ctrl+shift+v"], "command": "paste" },

    {
        "keys": ["shift+alt+left"],
        "command": "set_layout",
        "args":
        {
            "cols": [0.0, 0.33, 1.0],
            "rows": [0.0, 1.0],
            "cells": [[0, 0, 1, 1], [1, 0, 2, 1]]
        }
    },
    {
        "keys": ["shift+alt+right"],
        "command": "set_layout",
        "args":
        {
            "cols": [0.0, 0.66, 1.0],
            "rows": [0.0, 1.0],
            "cells": [[0, 0, 1, 1], [1, 0, 2, 1]]
        }
    },
    {
        "keys": ["shift+alt+up"],
        "command": "set_layout",
        "args":
        {
            "cols": [0.0, 0.5, 1.0],
            "rows": [0.0, 1.0],
            "cells": [[0, 0, 1, 1], [1, 0, 2, 1]]
        }
    },
    {
        "keys": ["shift+alt+down"],
        "command": "set_layout",
        "args":
        {
            "cols": [0.0, 1.0],
            "rows": [0.0, 1.0],
            "cells": [[0, 0, 1, 1], [1, 0, 2, 1]]
        }
    },
    { "keys": ["ctrl+shift+left"], "command": "move_to_group", "args": { "group": 0 } },
    { "keys": ["ctrl+shift+right"], "command": "move_to_group", "args": { "group": 1 } }
]