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

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

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

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

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