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

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

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

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

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