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

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

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

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

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