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

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

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

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

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