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

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

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

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

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