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

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

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

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

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