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

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

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

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

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