C111113331333132322331333133313331333132313131312111133131333232311   >>    C11111333133313232233133313331333133313231313131211113313133323231   <<    C111113331333132322331333133313331333132313131312111133131333232313   >>      C111113331333132322331333133313331333132313131312111133131333232312   >>