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

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

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

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

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