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

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

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

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

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