C11111333133313232233133313331333131133132313311212111111331323133312232131121   >>    C1111133313331323223313331333133313113313231331121211111133132313331223213112   <<    C11111333133313232233133313331333131133132313311212111111331323133312232131123   >>      C11111333133313232233133313331333131133132313311212111111331323133312232131122   >>