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