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

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

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

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

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