C1111133313331323223313331333133313113313121111133313231333221211111133231   >>    C111113331333132322331333133313331311331312111113331323133322121111113323   <<    C1111133313331323223313331333133313113313121111133313231333221211111133233   >>      C1111133313331323223313331333133313113313121111133313231333221211111133232   >>