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