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

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

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

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

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