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