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

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

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

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

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