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

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

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

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

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