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