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

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

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

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

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