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

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

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

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

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