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