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

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

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

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

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