(0 6 2)(1 21 20 18 16 14 12)(3 9 7)(4 11 5)(8 13 10)(15 19 17)
ALLOWS (11/8)-SEQUENCE
1: (0 6 16)

(0 14 12 1 21 20 18 16 2)(3 9 7)(4 11 5)(6)(8 13 10)(15 19 17)
2: (1 18 12)

(0 14 12 16 2)(1)(3 9 7)(4 11 5)(6)(8 13 10)(15 19 17)(18 21 20)
3: (15 19 17)

(0 14 12 16 2)(1)(3 9 7)(4 11 5)(6)(8 13 10)(15)(17)(18 21 20)(19)
4: (0 14 2)

(0)(1)(2 12 16)(3 9 7)(4 11 5)(6)(8 13 10)(14)(15)(17)(18 21 20)(19)