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

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

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

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

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