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

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

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

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

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