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

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

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

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

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