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