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