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

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

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

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

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