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