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

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

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

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

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