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