C111112111133131121133133313331323133313221131211331323133313232111231   >>    C11111211113313112113313331333132313331322113121133132313331323211123   <<    C111112111133131121133133313331323133313221131211331323133313232111233   >>      C111112111133131121133133313331323133313221131211331323133313232111232   >>