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