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

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

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

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

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