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

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

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

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

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