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

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

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

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

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