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

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

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

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

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