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

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

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

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

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