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

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

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

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

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