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

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

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

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

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