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

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

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

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

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