b0001c b0002c b0003c b0004c b0005c b0006c b0007c
b0008a b0009b b0009b b0010b b0011a b0012b b0013b
b0014a b0015a b0016b b0017a b0018a b0019b b0020a
b0021a b0022a b0023b . b0024a b0025b b0026b b0027b
b0028b b0029b b0030b b0031a b0032b b0033a b0034b
b0035b b0036a b0037a. b0038a b0039a b0040a b0041a
b0042a b0043a b0044a b0045a b0046a b0047a b0048b
