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