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

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

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

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

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