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