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

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

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

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

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