C11111333133313232233133313331333133313231312111133131133132322332132321   >>    C1111133313331323223313331333133313331323131211113313113313232233213232   <<    C11111333133313232233133313331333133313231312111133131133132322332132323   >>      C11111333133313232233133313331333133313231312111133131133132322332132322   >>