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

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

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

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

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