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