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