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

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

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

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

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