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