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

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

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

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

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