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