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