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

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

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

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

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