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

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

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

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

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