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

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

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

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

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