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

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

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

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

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