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