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

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

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

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

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