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

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

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

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

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