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

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

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

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

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