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

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

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

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

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