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

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

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

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

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