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

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

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

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

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