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