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

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

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

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

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