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

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

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

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

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