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

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

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

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

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