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