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

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

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

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

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