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