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

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

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

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

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