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

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

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

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

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