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

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

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

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

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