C11111211113313112113313331333133313331312111133133321133132322331   >>    C1111121111331311211331333133313331333131211113313332113313232233   <<    C11111211113313112113313331333133313331312111133133321133132322333   >>      C11111211113313112113313331333133313331312111133133321133132322332   >>