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

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

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

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

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