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

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

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

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

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