C3123223313331322121111331333133313231333132333133313331323231323231   >>    C312322331333132212111133133313331323133313233313331333132323132323   <<    C3123223313331322121111331333133313231333132333133313331323231323233   >>      C3123223313331322121111331333133313231333132333133313331323231323232   >>