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