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

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

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

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

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