C11111333133313232233133313331333133313231312111133131123313332332321   >>    C1111133313331323223313331333133313331323131211113313112331333233232   <<    C11111333133313232233133313331333133313231312111133131123313332332323   >>      C11111333133313232233133313331333133313231312111133131123313332332322   >>