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

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

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

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

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