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

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

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

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

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