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