C111113331333132322331333133313331333132313131312111133132322112123311   >>    C11111333133313232233133313331333133313231313131211113313232211212331   <<    C111113331333132322331333133313331333132313131312111133132322112123313   >>      C111113331333132322331333133313331333132313131312111133132322112123312   >>