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

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

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

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

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