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

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

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

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

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