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

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

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

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

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