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

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

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

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

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