(0 20 5)(1 18 3)(2 21 19 16 6)(4 14 12 10 7)(8 11 9)(13 17 15)
ALLOWS (11/8)-SEQUENCE
1: (0 4 5)
(0)(1 18 3)(2 21 19 16 6)(4 20 5 14 12 10 7)(8 11 9)(13 17 15)
2: (5 14 20)
(0)(1 18 3)(2 21 19 16 6)(4 20 12 10 7)(5)(8 11 9)(13 17 15)(14)
3: (2 16 6)
(0)(1 18 3)(2)(4 20 12 10 7)(5)(6)(8 11 9)(13 17 15)(14)(16 21 19)
4: (13 17 15)
(0)(1 18 3)(2)(4 20 12 10 7)(5)(6)(8 11 9)(13)(14)(15)(16 21 19)(17)