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

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

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

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

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