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

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

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

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

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