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