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