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