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

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

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

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

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