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

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

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

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

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