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