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