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

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

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

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

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