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

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

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

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

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