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

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

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

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

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