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

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

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

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

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