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

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

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

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

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