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

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

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

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

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