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