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