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

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

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

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

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