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