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

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

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

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

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