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

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

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

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

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