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

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

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

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

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