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