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

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

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

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

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