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

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

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

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

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