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