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

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

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

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

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