C11111333133313232233133313331333131133132233133313331322122313331311321   >>    C1111133313331323223313331333133313113313223313331333132212231333131132   <<    C11111333133313232233133313331333131133132233133313331322122313331311323   >>      C11111333133313232233133313331333131133132233133313331322122313331311322   >>