C111113331333132322331333133313331333132313131312111133133323131121   >>    C11111333133313232233133313331333133313231313131211113313332313112   <<    C111113331333132322331333133313331333132313131312111133133323131123   >>      C111113331333132322331333133313331333132313131312111133133323131122   >>