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

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

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

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

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