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

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

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

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

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