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