[
	[
		{
			"number": 1,
			"size": 2,
			"className": "portlet-column-first",
			"contentClassName": "portlet-column-content-first"
		},
		{
			"number": 2,
			"size": 10,
			"className": "portlet-column-last",
			"contentClassName": "portlet-column-content-last"
		}
	],
	[
		{
			"number": 3,
			"size": 2,
			"className": "portlet-column-first",
			"contentClassName": "portlet-column-content-first"
		},
		{
			"number": 4,
			"size": 1
		},
		{
			"number": 5,
			"size": 9,
			"className": "portlet-column-last",
			"contentClassName": "portlet-column-content-last"
		}
	],
	[
		{
			"number": 6,
			"size": 12,
			"className": "portlet-column-only",
			"contentClassName": "portlet-column-content-only"
		}
	]
]