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

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

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

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

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