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