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

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

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

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

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