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

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

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

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

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