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