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