(0 20 4)(1 7 5)(2 17 3)(6 16 14 11 9)(8 18 13 12 10)(15 21 19)
ALLOWS (11/8)-SEQUENCE
1: (1 7 11)

(0 20 4)(1 9 6 16 14 11 5)(2 17 3)(7)(8 18 13 12 10)(15 21 19)
2: (6 16 9)

(0 20 4)(1 9 14 11 5)(2 17 3)(6)(7)(8 18 13 12 10)(15 21 19)(16)
3: (8 12 10)

(0 20 4)(1 9 14 11 5)(2 17 3)(6)(7)(8)(10)(12 18 13)(15 21 19)(16)
4: (5 14 11)

(0 20 4)(1 9 14)(2 17 3)(5)(6)(7)(8)(10)(11)(12 18 13)(15 21 19)(16)