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