C11111333133313232233133313331333133313331233132313331322333122321   >>    C1111133313331323223313331333133313331333123313231333132233312232   <<    C11111333133313232233133313331333133313331233132313331322333122323   >>      C11111333133313232233133313331333133313331233132313331322333122322   >>