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

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

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

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

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