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

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

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

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

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