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

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

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

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

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