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

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

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

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

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