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

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

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

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

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