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