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