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