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