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

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

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

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

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