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