# Python 3.x
 
# Gera lista de aa
aa = [chr(c) for c in range(ord('A'), ord('Z') + 1) if chr(c) not in 'BJOUXZ']
proteina = ''
import random
 
# Cria proteina
for i in range(100):
    proteina += random.choice(aa)
 
# Sequencia proteina (totalmente aleatorio, sem caracter cientifico)
sequencia = []
for vezes in range(2, random.randint(2, 11)):
    seq = []
    li, ls = 0, 0
    while ls < len(proteina):
        li = ls
        while ls - li > 30 or ls - li == 0:
            ls = random.randint(li + 1, len(proteina))
        seq.append(proteina[li:ls])
    sequencia.append(seq)
 
# Gera o input do desafio
print(sequencia[0][0][0])
print(len(sequencia))
for s1 in sequencia:
    print(len(s1))
    for s2 in s1:
        print(s2)

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