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