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