Without the next element of the "Look-and-say sequence", 312211, for the example in the title there can also be rules that yield 111111211, or one of: (221211,

Without the next element of the "Look-and-say sequence", 312211, for the example in the title there can also be rules that yield 111111211, or one of: (221211, 111211, 121211, 211211)