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