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

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

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

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

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