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

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

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

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

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