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

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

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

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

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