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