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

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

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

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

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