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

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

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

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

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