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