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

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

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

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

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