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

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

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

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

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