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