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