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

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

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

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

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