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

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

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

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

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