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

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

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

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

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