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

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

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

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

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