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

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

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

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

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