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