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

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

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

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

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