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