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

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

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

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

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